Step 1.
Start game and make sure settings is as follows;

• Skip -> On
  
• After choices -> Keep skipping
  
• Text speed -> Fastest

Step 2.
Start the story & press skip. Let the game process the full story. It takes less than a few minutes.

Step 3.
When the story is complete. You'll tap on the top of the dresser at the main menu to open an extra scene and when you skip through that you'll have earned all the achievements.

https://store.steampowered.com/app/429940/The_Sad_Story_of_Emmeline_Burns/