二宮 始

He is the main character's best friend and is dating Mayu.

He is a sportsman with a solid physique, and he doesn't think too much and moves according to the mood of the moment, but he is not back-and-forth and treats everyone in the same way. Basically, he is a nice guy.

He loves to do erotic things and talk about erotic things. He is openly erotic. He is the type who focuses more on physicality than technique.

From official site]