There are 3 Variables in the Game that are Important for this Ending.
hscene (must equal 0)
Confidence (must equal 5+)
Attraction (Must be 5+)

So Here's what to do:

Chapter 1-----
Deal with the Sink
Deal with the Stove
Deal with the Washing Machine (confidence + 1)
Look Away

Chapter 2-----
Look Away
Small Talk
Touch the Screen
Give Real Name - (Confidence + 1)
Dont Pet the Kitty

Chapter 3-----
Beef
Distracted by the Selection
Compliment Him on His Success
Get the Beef
Rice
Play Along
Any
Emperor Knows Best
Be Patient
Vegetables
Any
Stop Them
Bok Choy
Red Pepper
Yams
Shiitake Mushrooms
(confidence +1)
Don't Spend Time

Chapter 4-----
Pat Her on the Head
Honest Answer (5x)
Open the Drawer
[This is where the Tit job scene would take place, But it shouldn't Trigger since its less than 2 Affection]

Chapter 5-----
Use Medium-Sized Pan
Use Force to Mix it Together
Pour it Out
(Confidence + 1)
Kiss Her (Attraction +1)

Chapter 6-----
Let’s Make Some Soup!
Ask Cynthia for Help (Confidence +1)
Invite Her to Stay

Chapter 7-----
Playfully Tug Her Tail
Play the Support/Defensive Role
[in this Chapter is where the 2nd HScene would Occur]

Chapter 8-----
[Do Anywhere between 3 and 5 Activities at the Amusement Park] (Attraction + 3)
Defend Cynthia’s Abilities as a Maid (Confidence + 1)

Chapter 9-----
I Feel the Same Way. All I Want to do is Protect Her and For Her to be Happy

[In Chapter 10-ish area, another Attraction Point is Granted. Attraction + 1]
Chapter 11-----
Trust Her