Don't be jealous, Mizushima is a childhood friend, you can't really compete with him in terms of sympathy. But you can make Hiyama smile more than he'll ever does, if you just say yes.
I want this to continue. The story almost always ends after they start a relationship then the credits roll but that's the easy part. I wanna know the story past that. How the dating goes, how society would view them, their parents learning of their relatioship, etc. The deets, ya feel me?