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Meeting up with the members of the junior high school tennis club after many years certainly brings back memories, after hearing about what each of them became. For Tatsuya, it is a perfect occasion to find out which girl secretly cheered on him, putting flowers in his locker. Through dates and shopping with all of the girls, the careless boy breaks countless hearts, while trying to uncover the truth. Will he be able to find out who his secret admirer was? Who will earn his heart in the end?
Wataru dreams of spending the last summer of his school days in a romantic bliss. He yearns to be in the arms of the rich, beautiful and reserved Mai, the girl of his dreams by summer's end. As Wataru plots his way into her heart, people just keep on getting in the way. He keeps getting swept up in problems caused by Kazuya, his best friend, trying to get into Kurumi's panties. There's the tomboyish Misa who keeps giving him lecture about Wataru hanging out with her best friend Mako. There's the high and mighty Satomi telling him things to do. Finally, there is Kenji, Mai's self appointed guardian who looks down on Wataru for being poor unlike himself and Mai and thinks that he is the only good match for Mai. As the summer draws to a close, Wataru must find a way to break through the barrier created by people, circumstance and society to find happiness withiin the arms of his one true love.
Haruki spends most of his time with friends and fellow classmates Airi and Ayana. All seems well, that is until Airi and Ayana form separate clubs, the Mechanical Science Club and the Chemical Science Club. The two vie for Haruki's attention and hilarious chaos usually follows all attempts to make him join.