Yuuma Satohisa had to take make-up classes because he neglected his study in the summer vacation. Strange as it seemed to be, but he has to go to school in summer vacation.
The train station were full of sparks and roses that come from people who enjoyed their youth and vacation time. Yuuma wasn't the type that whines every minutes, IF there wasn't the fact that he had never experienced love. He don't have a close girl friend and rarely talks to girls.
The day the trains was packed of people changed everything, Yuuma fallen in love at the first sight. He determined that he had to confess to the girl in 1 week.