There are four heroines and one bonus route.
You may play based on your preferences.
The bonus route is unlocked after completing at least one route.
Choices during H-scenes do not effect the story.
-Miu-
Go with Miu
It's all about the shape
Maybe not
No choice, so just do it
Do it
Offer to apply sunscreen for her
-Azusa-
Go with Mera
Bigger doesn't mean better
Maybe not
I can't possibly do that
Find some other way
Have Mera help out
-Rio-
Go with Mera
Go big or go home
Ask Rio out as thanks
I can't possibly do that
Find some other way
I'll be fine alone
Then I'm counting on you, Inamura-san
-Elina-
Go with Miu
Girls aren't just about their breasts
Maybe not
I can't possibly do that
Do it
Don't say anything
Then I'm counting on you, Elina
Bonus route (must complete at least one other route first)
-Nicola-
Go with Mera
Go big or go home
Maybe not
I can't possibly do that
Find some other way
Have Mera help out
Then I'm counting on you, Inamura-san