In his last year of high school, Ken Shibata's in a new homeroom sitting right behind the notorious bad boy Ryo Kaneko. Usually, Ken wouldn't associate with that type, but he can't help watching the rebel as Ryo reminds him of someone he used to look up to: his old little league baseball teammate Ryohei. One day, Ken catches Ryo making out with a girl under a tree. Unable to get him off his mind, Ken questions him about his past. Ryo's expression changes, and out of nowhere he starts kissing Ken...