Rintaro Washio walkthrough

Well,I made a walkthrough if you can't get the Happy or the best ending,but exploring it yourself is much more fun ^^ but if you really don't get it then here is the walkthrough :) If you don't get the best ending please tell me then I will take a look and correct it 

Oh and have fun playing it <3
A. Try to quit?
B. I keep schedule
A. Koume, let's go
A. It is what it is
A. Let's go buffet 
B. Unbalanced diet
A. The pool
C. Not funny
A. The candle night
B. It's not bad
B. Okay
B. Dessert, please
A. They deserved it
A. You're so kind
A. Yes, definitely
B. Happy?
A. Yes, thank you
B. Can't leave you
C. I was worried
A. Slap him
B. I'll miss you
A. Yes