Ayumu Amano's childhood friend, Shinta Yamada, is as plain as a guy can be. They're both in the same college, attending the same classes, and Ayumu worries about his clingy friend. One day, the class playboy Hibi, asks to talk to him. Ayumu hopes to get some advice, but it turns out Hibi's swings both ways and has a crush on Shinta! He asks Ayumu to set him up with his childhood friend. Even though he feels somewhat queasy, Ayumu agrees to play matchmaker...!!