Nakabara Kasumi 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 the mistake :)

A. Try talking
A. Say something
C.Remember me?
B. What do you like?
A. Tea ceremony
B. You’re a pro!
A. Talk show
C. Show me later
B. Church light up
A. I’d like to
A. Sure
A. What’s that one?
B. Take it easy
A. Yes!
B. Thank you
B. No thank you…
A. It looks great
B. What about him?
C. Alright...
A. Alright…
A. I do not!
A. Don’t apologize
A. You promise?