For most players, the information in that highly rated achievement guide is sufficient.
In my guide, the strategies for alters' lessons and the storyline are more detailed, mainly to help players who got stuck and were unable to successfully trigger or complete the alters' lessons achievements or storyline achievements.
Also, achievements are classified by me into different parts to help players to navigate. I wrote my guide myself and the focus is on alters' achievements (lesson + storyline) . Please make good use of the sidebar catalog.

I have put the information about the alters' lesson and storyline achievements into the character catalog. Additionally, I ①highlights choice direction of dialogue options (such as the other alter's sensitive topics), ②prerequisite route choices, and ③the plot that trigger corresponding dialogues, to help players smoothly complete dialogues and achieve the lessons and storyline achievements.


Process achievements: 35 achievements
12 in Act 1, 4 in Act 2, 9 in Act 3,
6 in the ending, 4 in multiple playthroughs

Alters' lessons and story achievements: 21 achievements
2 for Technician Jan, 2 for Scientist Jan,
2 for Botanist Jan, 2 for Tabula Rasa,
2 for Refiner Jan, 2 for Worker Jan,
2 for Miner Jan, 3 for Doctor Jan,
2 for Psychologist Jan, 2 for Guard Jan

The guide is long. please use the sidebar catalog to navigate the section you wish to view.

My favorite alter Scientist Jan (*^▽^*)

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The process achievements in Act 1 can be completed in one single playthrough.

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Act 2 is the time period when the alters' lessons trigger. The alters' storylines generally trigger in Act 3. Specific hints on lessons and storylines can be found by clicking specific character on the right catalog.

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Company Implant: Follow the company implant route, discuss the treatment plan with ex-wife, and confess the existence of the alters to ex-wife. At the beginning of Act 3, talk to the company senior manager, and soon after, ex-wife will call. Collaborate with ex-wife to come up with a plan to save the alters.
Afterward, go to the rebel camp and talk to technician Jan to complete the supply pack manufacturing task he assigns. During the delivery conversation, technician Jan will ask the protagonist if they have come up with a way to avoid the company route. Here, the protagonist will respond with the freedom path provided by the ex-wife. When choosing the persuasion option to bring them back, select the scientist's pragmatic lesson option. If there is no lesson option, choosing the gentle persuasion option should also succeed in bringing them back.

Sacrifice Tabula Rosa: Rebels cannot be persuaded to return. If you take the Maxwell route, after giving the supply pack task, technician Jan will also give a resource collection task. After that, they will not agree to return during the conversation. The resources technician Jan wants here are for preparing for the magnetic storm. If the protagonist does not provide the resources before the second magnetic storm, the rebels will unfortunately die.

Complete the base upgrade skill in the technology tree, upgrade the base to the highest level 4, and build five Rapidium Ark to complete this four achievement.

The route in Act 3 continues the treatment plan selection from Act 2.
Sacrifice Tabula Rasa → Maxwell route. Company implant → Company route.

Originally posted by comment:

Thanks for the comment from elementXI. This part is more detailed now.

First playthrough implant line: Technician + Scientist + Botanist + Doctor + Psychologist + Refiner + Tabula Rasa (DO NOT SACRIFICE - Choose Lena's way after creating him)

Second playthrough Maxwell line: Technician + Scientist + Miner + Refiner + Worker + Guard

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This section covers alters' lesson achievements and storyline achievements, total 10+11 = 21 achievements. Doctor Jan has three achievement.
Most alters' lessons serve as preludes to trigger the corresponding storyline, so I have placed them in the respective character sections.
Please use the right-side guide directory to jump directly to the alter you wish to view.


1. If you fail to trigger the lesson quest, you will likely be unable to trigger the storyline quest. The alters' lessons and storylines are interconnected plotlines.
2. Lesson Trigger Conditions: The alters' lesson require certain conditions to be met before they can be triggered. These conditions include:

• ①Good mood (the alters feels good)
  
• ② The alter has worked for two or three days or more
  
• ③ Dialogue options are chosen based on the alter's preferences. Some options may cause the lesson or storyline to be interrupted.
  
• ④ The lessons and storylines of some characters are triggered after certain plot. Details are in the respective alter's part.

3. If you are unfamiliar with the avatar's treatment route preferences, it is best to complete the alter's lesson tasks before announcing the treatment choice .
Otherwise, you will need to wait until Act 3 to find the rebel camp and persuade the rebels to return before delivering the task. In that case, the time in Act 3 may be insufficient to trigger and complete the alter's storyline task.

4. The lessons learned from the alters unlock new options, which can help complete dialogues and even resolve certain alter's storyline endings.
For example, the charm option from Worker Jan can help achieve the perfect ending for Guard Jan, the pragmatism from Scientist Jan can persuade the rebels to return in Act 3, and the trust gained from Botanist Jan provides new options that significantly improve Scientist Jan's mood in the Botanist Jan storyline.


Company Implant: Botanist Jan, Refiner Jan, Doctor Jan
Sacrifice Tabula Rasa: Miner Jan, Worker Jan, Psychologist Jan
Follow the Protagonist: Scientist Jan, Guard Jan
Oppose both: Technician Jan 😅


First playthrough: Implant Route: Technician + Scientist + Botanist + Doctor + Psychologist + Refiner + Tabula Rasa (DO NOT SACRIFICE - Choose Lena's way after creating him)

You need to maintain good relationship with ex-wife. In Act 2, when discussing treatment options with ex-wife, be honest about the existence of the alters. In Act 3, follow the ex-wife's plan and persuade the rebels to return.

Second Playthrough: Maxwell Route: Technician + Scientist + Miner + Refiner + Worker + Guard

After triggering a conversation with the technician Jan in the Act 1, he will request to build a recreation room. Complete his request to build a recreation room to gain lesson.


The treatment path chosen in Act 2 does not affect his storyline trigger.

After the MRI results are released in Act 2, he will talk to the protagonist, mentioning his mother's desire and hoping the protagonist will help build a park. Here, the protagonist Jan needs to find the holographic chip of the park while searching the map.
The location is obvious: pass through a cave to see green trees and flowing water, turn a corner, enter the tree line, pick up the shiny chip, and unlock the park technology in the base page of the tech page. Complete the technology, build the park, and talk to technician Jan when he uses it.

In Act 2, if you choose the implant: Follow the path given by the ex-wife in Act 3. When meeting him, complete the supply pack task. When delivering it, mention the freedom path given by the ex-wife and choose the option to persuade him to return (you can use the scientist's pragmatism lesson option to persuade him).
After returning, he will mention his nostalgia during the first conversation. In the second conversation, he will discuss his mother's last words. Here, you can choose to refuse the last words he offers. Technician Jan will be surprised by the protagonist's growth, triggering his story line achievement.

In Act2 if you choose to sacrifice Tabula rasa: In Act 3, complete the supply pack task upon meeting him, then complete the task he gives you to collect resources after connecting cables.
During the conversation, maintain a friendly attitude and choose the option to persuade them back. He will refuse, then hand over his mother's last words to the protagonist. You can choose to refuse the last words option to earn the achievement.

After creating him in the first or second act, he will want to chat with the protagonist. The first chat will mention his feelings and thinking.
A few days later, another chat will be triggered. Scientist Jan will release the lesson task. He wants to rush the work. Open the management page, click “Enable Rush” in the lower right corner, persist in rushing for more than two days, until the dialogue with Scientist Jan is triggered.
During the conversation, select the option that I have learnt something, triggering the lesson.

Note:
Rush work significantly lowers the mood of the alters. It is recommended to watch movies in the evenings during rush work and play games with the alters.
Also, don't forget to end the rush work option promptly after you have gained the lesson.


The treatment route chosen in Act 2 does not affect the storyline trigger.
His stroyline is long, extending from Act 2 to Act 3.

After the MRI results appear in Act 2, he will want to talk to the protagonist, mentioning that the impending death has made him think a lot, and he wants to continue his research. Here, choose the option to express concern for him and agree with his research ideas.
Then, before leaving Act 2, complete his private research in the technology page.
Next, Another conversation will be triggered, choose the friendly option.

A few days intor Act 3, another conversation will be triggered where he continues to reflect on his research. Still, choose the friendly option.
At the end, during the final preparations with the rescue team, a conversation about leaving will be triggered. Here, Scientist Jan mentions wanting to go out and explore. Agree with his exploration idea and prepare 10 polymer for him as he required.
Deliver polymer to him and allow him to leave . He will not return until the next morning and he will mention an interesting location.
Open the map, go to the location to trigger a conversation with Scientist Jan.
Return to base to continue the conversation and select the option to allow him to leave after completing the rescue task preparation.
Once all the necessary rescue research is complete and before meeting the rescue team, talk to him to remind him to leave and say goodbye to unlock the story achievement.

It is best to create him in Act 1, so that when the main storyline triggers the task of finding a alter to speak with ex-wife Lena, he can be promptly deployed.
Follow the quest requirements to have the botanist Jan replace the protagonist in the conversation with ex-wife Lena. After the conversation, the botanist Jan will express his feelings with the protagonist . Follow botanist's preferences in the dialogue: emphasize my own mistakes and praise Lena.

A few days later, the botanist Jan will approach the protagonist again for a conversation, sharing his love story with Lena and offering emotional advice to the protagonist.
Here, follow his lead in selecting options, taking responsibility for mistakes, agreeing with Lena's choices, and acknowledging her excellence. The conversation will ultimately trigger the botanist Jan's lesson.


In Act 2, when discussing treatment options with ex-wife, confesses the existence of alters.

Act 2 triggers his talk on memories of Lena. In the talk, he mentions the axe they exchanged as a token of their youth. Here, choose help find/make the axe option actively .
In the axe task, first ask the scientist Jan about the axe's details, then call Lena. A few days later, Lena provides feedback, and you can make the axe in the workshop according to her suggestions.

Then deliver the axe. Botanist Jan continues to talk endlessly about his love for Lena. Choose all options that align with his preference. When he mentions the protagonist's own axe, select “There is only one axe,” reveal the whereabouts of the axe, earn botanist Jan's sympathy, and then agree with his emotional advice.
After the conversation, the stroryline achievement is unlocked.

Prelude:
In Act 1 or Act 2, shortly after his creation, he will trigger a complaint event. Choose not to give him drug, and he will cut off his arm. Here, the protagonist can help him cut off his arm, minimizing the decrease in mood.
Then scientist Jan triggers a dialogue proposing a prosthetic limb. Short after scientist's advice, technician Jan will also give advice about serum. Choose technician Jan's serum suggestion. Complete serum technology, manufacture serum in the kitchen, and hand it to miner Jan. He will recover after a few days.

Act 2:
In Act 2, have him work continuously on the mining machine (no need to rush), and wait a few days to trigger the late-night return event. He will be sitting in the airlock room. Talk to him promptly.
After he returns late twice, a dialogue another alter will be triggered. In my save file, refiner Jan tells me that miner Jan may have psychological issues and needs to be placed in the meditation room for the psychologist to help him recover.

If there is psychologist Jan, have him assist Miner Jan (the dialogue can still be unlocked even if there isn't one). After placing him in the meditation room, the conversation with Miner Jan will trigger on the same day or a couple of days later. Discuss the counseling results with him and choose to continue the treatment.
After the second round of treatment, talk with miner Jan, and he will mention that he has recovered, talk about his emotional problems, and state that he will no longer work overtime like this to gain his lesson.


In Act 3, upon arriving at the new map, after the rescue light fails to activate, a dialogue will trigger where he mentions his past interest in woodcarving and asks the protagonist to help find a special stone and a craft tool.
The tool can be crafted in the workshop. The stone is located on the large tree to the right of the ocean. During the main quest where you help the scientist Jan scan three locations, you will inevitably pass through this area. While climbing up the branches, pick up the black-colored stone with a reddish hue at the top.
Return to the miner Jan and hand over the stone and tool. Choose the empathetic options throughout the conversation to complete his storyline achievement.

After creation him in the Act 1 or Act 2, he will soon talk with the protagonist and hope to have a dumbbell. Craft dumbbells in the workshop After delivery, he will mention wanting a gym. Complete the gym tech to build the gym module, then install the dumbbells in the gym module. Afterward, you will trigger his dialogue to obtain his lesson.


His storyline requires admitting the existence of alters during discussions with ex-wife about treatment options in Act 2, choosing the implant treatment option provided by ex-wife.
Follow the ex-wife's route in Act 3 to save alters.

After completing his lesson in Act 2, a conversation about his lover Ben will be triggered, where you need to promise to help and ask Lucas about Ben.

In Act 3, he will mention his concerns again. At this point, promise to help, call ex-wife, and use the lesson option to persuade ex-wife to help.
A few days later, ex-wife will call back to mention the outcome of the event. Return to talk to the refiner, and after the conversation, you will gain the storyline achievement.

In Act 2, his lesson quest will be triggered. He hopes the protagonist can maintain not rushing the work for five days . After completing the quest and speaking with him, you will gain his lesson.
When speaking with worker Jan, be sure to choose options that acknowledge and prioritize workers' rights. Otherwise, you may easily anger him.


In Act 2, if you choose to sacrifice Tabula Rasa, then in Act 3, after the protagonist finds the personal item “Ocelot Badge” and talks to him, the story achievement will be triggered after the conversation ends.
In the conversation, he will reveal his inner desire and tell you about his reflections. Choose friendly and understanding options.

If you choose the implant method in Act 2, you need to complete a series of tasks to regain his favor before the end of Act 2, then persuade him back in Act 3, find the badge, and talk to him to unlock his story achievement.

When choosing treatment method in Act 2 , communicate with both Maxwell and ex-wife.
First, finish the quantum computer hacking research provided by Maxwell.
Then, use the quantum computer to create Tabula Rasa.
Next, promptly create the required number of company implants.
Last, choose the implant plan at the kitchen meeting.

At the beginning of Act 3, after the protagonist wakes up from unconsciousness, Tabula Rasa will awaken too due to insufficient sedatives. Then he will become a team member. He can eat, drink, and sleep, but cannot work.
Here, the first conversation with Tabula Rasa triggers. It's about teaching Tabula Rasa his name “Jan”. After the talk, the achievement will be unlocked.


Act 3 will trigger two dialogues with him.
In the first dialogue, the protagonist will teach Tabula Rasa his name upon waking up.
In the second dialogue, Tabula Rasa will stand in the airlock room looking out at the outside world. Talk with him friendly. He will hope the protagonist appreciates the sky outside as much as he does.
After the dialogue ends, the lesson achievement will be triggered.

Doctor Jan's lesson and storyline achievements are interconnected. They are alltriggered in Act 3, and his third new perspective achievement requires the assistance of psychologist Jan.
His three achievements require taking the company's implant therapy route, following the ex-wife route in Act 3, and then persuading the rebel (psychologist Jan) to return in Act 3.

Act 2 Section:
Shortly after the MRI results are released in Act 2, doctor Jan will mention preparing a feast for everyone. Complete his task by cooking a feast in the kitchen, then gather after work in the evening to trigger the feast memory. Afterward, have a conversation with the doctor reflecting on the feast.
Remember to choose corporate implants as treatment choice, so that the doctor will stay and psychologist Jan can be persuaded back to finish the new perspective achievement.

Act 3 Section:
In Act 3, after installing the rescue light and the illumination fails, his dialogue will be triggered. He will mention that he is gradually adapting to the current environment and is no longer as confused and lost as he was when he first arrived.
At this point, select a series of friendly options.


Act 3:
After the conversation, his story line quest will be triggered. He will mention the tattoo topic and promise to help. In the workshop, build a tattoo machine. Take the ex-wife route to persuade the rebels back.
After psychologist Jan back, ask him about the tattoo design. The psychologist will provide the Naranath Bhranthan tattoo design during the conversation.

Then complete select the psychologist's “madman” tattoo design during the conversation with the doctor Jan, help doctor tattoo to unlock tattoo memory.
Then, the subsequent conversation will trigger the doctor's understanding of the design. Completing the conversation unlocks the doctor's storyline achievement and the doctor's tattoo achievement.

His insights are triggered in Act 2. When chatting with him, he will mention his desire to relax and ask the protagonist to help make special tea. After preparing the materials in the workshop, continue processing them in the kitchen.
Then deliver them to the psychologist. During the conversation, choose to try the tea, gain memories, share feelings with the other person, and gain his lesson after the conversation ends.


At the end of Act 3, when preparing the plan for the rescue team, his storyline will be triggered. It's justbefore going to bed at night. Do not choose to sleep in the room for a day.

Returning to the captain's room at night triggers an event where the psychologist Jan is present. During the chat, he mentions providing psychological counseling to the protagonist.
Choose to accept the psychological counseling, continue the conversation, and make choices as you prefer.
After the psychological counseling ends, the storyline achievement is triggered.

In Act 2, to trigger his story line, ensure that you has ≥4 portions of mush, preferably 6 portions of mush.

First, pick up personal items while exploring the map in Act 1. In Act 2, create him and give him the items to lift his mood.
After a couple of days, trigger the kitchen mush theft event. Two portions of mush disappear each day. Press Alt in the bottom-left corner to view the theft log. Ensure the mush count remains ≥3 daily, and make more if needed.
After the mush theft event lasts for two or three days, the guard will approach the protagonist for a conversation. Follow his lead, agree with his ideas, and accept his surveillance plan (otherwise his lesson and storyline will be interrupted).

Manufacture the surveillance equipment in the workshop, then install it in the command room. After one day, the guard will begin surveillance operations, at which point you can no longer assign him tasks.
After one to three days of surveillance, the guard will speak with the protagonist again, mentioning the suspect. Speak with each suspect he mentioned. Eventually, you will reach the scientist Jan. After speaking with the scientist, confront the guard to unlock the lesson achievement.


His storyline is triggered at the end of Act 3 when preparing the plan to meet the rescue team, similar to the trigger point of the end of Scientist Jan's storyline.
If Scientist Jan's storyline is triggered at this point, if there is enough time, allow him to go out and explore, but in the next round of dialogue, do not allow him to leave. If there is not enough time, immediately reject his proposal to go out and explore.

A couple of days after preparing the plan to meet the rescue team, the event where the guard and other alter fight at the quantum computer will be triggered.
In my save file, the guard was fighting with Scientist Jan. At this point, go there promptly and have separate conversations with both of them.
I first spoke with the scientist Jan, then with the guard. During the conversation with the guard, I chose the option to use the worker's lesson charisma to persuade him to reflect on himself, start over, and abandon the idea. This unlocked the story achievement.

I suppose you can also agree with his plan, then talk to the scientist Jan to find out the password is useless, and finally tell him the password is useless during the conversation. This also unlocks the achievement, I guess.

All illustrations are from the alters' memory in the quantum computer.


Psychologist Jan is the most emotionally stable of all the alters.
This stability stems from his past experiences of self-destruction, his adherence to his own principles, and the subsequent death of his mother, which left him burdened with heavy emotional baggage. This burden grew over time, eventually crushing Psychologist Jan and causing his personal value system to collapse, leaving him trapped in a vortex of doubt and regret.
To resolve his issues, Psychologist Jan set off on a journey of self-exile to a foreign land. During this journey of self-exile in a foreign land, he luckily encountered a group of young people similar to himself. Together, they alleviated their inner struggles and rebuilt their lives. His path has similarity with characters from films like Manchester by the Sea.

After rebuilding himself, he returned to society and found a balance between his social role and his self. While studying his favorite courses, he also found ways to pay his tuition fees and explored art, attempting to sell artwork for money. Later, through his studies, he became an outstanding psychotherapist. He was both relieved that financial issues had brought him new clients and sympathetic toward his clients, as the person sitting across from him could have been himself, having lost his job.
Thanks to his past exploration of self, he knew how to find balance between work and life, between effort and relaxation. He would enjoy himself after work and paying attention to his physical needs.
All of these experiences have made psychologist Jan the most self-consistent Jan among all the alters. He was actually Jan that had undergone subconscious training during Act 3 in advance. He has already learned to accept himself after facing the disaster of self-collapse in the past.
Therefore, his storyline is the only one among alters that does not involve personal transformation or personal issues. In fact, he actively helps the main character Jan mediate his psychology and provides psychological counseling.


Doctor Jan is the slowest-speaking of all the alters, with the most philosophical demeanor, appearing like a middle-aged man in his forties who has aged prematurely.
Doctor Jan and Psychologist Jan are two sides of the same coin.
Doctor Jan failed to adhere to his own principles, using his relationship to treat his mother, leaving him with inner regret, believing he should not have betrayed himself.
Psychologist Jan, however, upheld his principles, passively watching his mother's death, leading to the collapse of his self, embarking on a journey of self-exile, and rebirth along the way.
In fact, psychologist Jan is Doctor Jan who had already embarked on the path of self-awakening.

The regret left by violating his own rules led Doctor Jan to get a tattoo of Sisyphus on his body. His life was like Sisyphus, endlessly pushing a boulder up a hill only to watch it roll back down. It is a futile struggle. One could say that the violation of his self and the disappointment of his mentor left him feeling there was no way out of his life. He was trapped in his past regret.

When asked about the tattoo, the psychologist cut to the chase, pointing out Dr. Jan's issue: “We are all human beings.” “We all have to live with our mistakes.” They are all ordinary people, and ordinary people cannot be without faults. The key is how to face one's mistakes rather than wallowing in them and losing the present moment. The doctor here is like the protagonist Jan from the past.
The tattoo given by the psychologist Jan is the opposite of doctor Jan's tattoo. Doctor's Sisyphus is one of painful futility, while the psychologist's Naranath Bhranthan is a happy madman. In the psychologist Jan's tattoo design, the madman is smiling as he kicks a stone. The madman is content with his past choices. Whether they were mistakes or not, he accepts them and is happy for himself.
The story of the doctor here is actually the same as the subconscious teaching that the protagonist Jan experiences in the Act 3 emphasizing the core of self-acceptance, including the acceptance of mistakes. What's past is past; dwelling on it is useless. What matters is the present.


Miner Jan, aside from the main three Jan(technician Jan, scientist Jan, botanist Jan) with the most storyline, has the second-longest storyline. He is also one of the two characters who cause the most trouble for new players (the other being the main storyline's technician Jan). However, Miner Jan's storyline is also one of the most rewarding.
Players who assist him along the way can witness Miner Jan's growth. From his initial panic and fear of his own hands, to self-amputation due to phantom pain, to regrowing a new arm with the help of Scientist Jan and Technician Jan, he briefly regained his spirits.
The miner Jan, now with a fully grown arm, desperately wants to prove himself to those around him, to show that he is no longer the burden he was when he lay in bed with a severed arm. He works tirelessly for 12 hours a day, often returning late.
The optimistic refiner first notices something amiss with the miner Jan and recommends that he seek psychological counseling from psychologist Jan in the meditation room. Psychologist Jan approached the issue from two angles.
In the first counseling session, they discussed his father, identifying the source of the miner's desire to prove himself to others—the memories of being belittled and mocked by his father during his youth. In the second counseling session, psychologist Jan went further to help the miner let go of his emotional baggage, telling him that weakness is not shameful and encouraging him to focus on his actions rather than others' opinions.

In miner Jan's storyline, after confronting his inner vulnerabilities and overcoming his psychological barriers, he begins to ponder another question: What is the meaning of my life? This is his journey of self-discovery. In the past, his life was overshadowed by his father's memory, and he forced himself to appear strong in order to gain his father's approval. Now, having stepped out of the shadow, he reflects on what he truly desires. He recalls his genuine passion for woodcarving and asks the protagonist Jan to help him find suitable wood. After handing over the wood, this triggers a conversation about self-discovery for the reborn miner Jan. Engaging in woodworking has helped him regain a sense of control over his life.

The miner Jan's growth path:
An individual living in the shadow of elders seeks to prove themselves → Steps out of the shadow of elders to contemplate what they truly desire → Finds their true passion and takes control of their own life.

Scientist Jan's storyline is, in my opinion, the best-written alter storyline in this script. Scientist Jan's character arc is fully realized through his story.
As one of the two alters who accompany the protagonist the most (the other being Technician Jan), and also one of the three alter with the most story line (Technician Jan, Scientist Jan, and Botanist Jan), his story arc differs from the others.

If the other Jan storylines focus on realistic issues that ordinary people encounter, such as Technician Jan's memories of his mother, Botanist Jan and Refiner Jan's romantic recollections, Doctor Jan's Sisyphean understanding of life, Worker Jan's collective aspirations and need for admiration, and Miner Jan's vulnerability and resilience—these are all issues that ordinary people may encounter to varying degrees in real life.

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However, the scientist Jan's storyline has a different focus. It resembles the contemplative themes explored by Somerset Maugham in The Moon and Sixpence: under the shadow of secular pursuits, whether an individual is willing to confront their true self. In the scientist Jan's storyline, his transition from pursuing recognition and success in secular pursuits to facing his true self and pursuing spiritual truth mirrors Strindberg's transformation in The Moon and Sixpence from a securities broker with a comfortable life and a happy family to an artist who leaves his hometown to pursue his true self.

In the face of spiritual needs, is the individual willing to peel off the masks they wear, confront their true self-needs, and make a choice?


After experiencing a therapeutic crisis in Act 2, the scientist Jan realized that he might encounter unexpected circumstances and that the future would not be smooth sailing. He prepared for this by recreating his research. Here, he acted out of self-interest, believing in his own abilities and the value of his research. This laid the groundwork for his eventual fate. During this period, he remained proud and immersed in confidence in his own abilities.

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When the research is recreated, he faces an existential crisis. In this timeline, he does not exist. How can he leave a mark of his efforts and gain recognition? At this point, he compromises and chooses to use the protagonist's name as the author. He remains focused on preserving his own achievements and pursuing his own value.


In Act 3, when the protagonist Jan listens to his subconscious and walks on his journey of self-growth, the scientist Jan is also deeply moved and reflects on his own methods. Perhaps he should try a different approach? He no longer relies solely on pure rational logic as he did in the past, but begins to acknowledge his inner intuition and listen to his inner voice to seriously explore the planet that has brought him countless discoveries. He chooses to step out of his laboratory and take risks to conduct field investigations of his discoveries. This is also a process of exploring his curiosity.

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This discovery completely transforms him. All his efforts were worthwhile. Everything he has explored and discovered on this planet was preparation for this momentous occasion—the ultimate reward for his journey: the miracle of life on the planet.
Upon his return, he speculated on the causes behind the miracle and marveled at it. He hoped to witness this cycle again and again. He was born on this planet, and his past memories exist only in his mind. Perhaps the land beneath his feet, where he was born, and the places he has always explored are his true home, his destined destination.


When the protagonist Jan asked him about the things he once desired—those research achievements, those aspirations to leave a name behind, those hopes for recognition—the scientist Jan responded candidly: "What if I was wrong? Perhaps those desires were driven by flawed motives. Maybe they were merely for self-respect, not the truth." The pursuits of the past were but illusions of desire, while the exploration on this planet was truly for the sake of truth.
He says, "Perhaps the truth that one faces alone, is the only truth." When one's fame and achievements have become fleeting memories of another time and space, can one honestly face one's current self? Scientist Jan answers this question in his own way. He removes his mask, chooses to face his true self, and confronts his own destiny alone.

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When the protagonist remarked, "Destiny? You used to believe that only success had value. How things have changed," he explained that his previous persona as a know-it-all in front of the protagonist Jan was merely an attempt to prove himself. He rarely showed his vulnerability, but now he said, "I must remove the mask. I admit I'm a bit scared, but other than that I'm more curious. That's what science is all about, isn't it?" Facing one's true self means shedding the facade worn in reality, peeling away layer after layer of one's outer shell, removing the coverings imposed by external factors, and confronting the authentic self within. How could one not be afraid? Who knows what the true self looks like?

When the the protagonist said goodbye to the scientist Jan, the usually sharp-minded scientist paused for a moment, something he rarely did. "Goodbye, my friend. My... alter." "Goodbye, brother. May you find what you seek." "There is a part of it I have already found." Scientist Jan said with a satisfied smile. That part was what he had come to understand along the way: to face and accept his true self.

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It was at the end that the scientist Jan's character arc was fully established.
From his initial arrogance about his achievements, believing that success and hard work were the only values, to his mid-period self-doubt and existential crisis, questioning what he should leave behind for the world, and compromising on research achievements to prove his existence, to his final self-awakening, realizing that what he had pursued was nothing but the “illusion of desire,” driven by the need for self-respect and recognition. This is the path he should have chosen—to honestly face himself, to truly face the truth (seeking truth).
Ultimately, Scientist Jan removes his mask, bravely confronts himself, pursues the truth itself, and accepts the fate of sharing the planet's destiny.

His body was born on this planet,
his spirit also belongs to this planet,
on this planet where the sunrise destroys everything,
witnessing the miracle of the cycle of life,
and sharing life and death with this miraculous cycle.
Is this not a form of romanticism?

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🐏🐏🐏🐏🐏🐏🐏🐏🐏🐏