Minato Sakura has decided to, on her bicycle, climb the slope in front of her school every day, but already on the first day she realizes that it was much tougher than she thought. Just when she's about to give up, a boy passes her and gives her the strength to continue. Later Sakura discovers that the boy actually is her new teacher, Fujiharu Keisuke. Included one-shot: Volume 5: Imouto no Iede