Mao is assigned to film Kotobuki, a delinquent and a loner, and Kotobuki in the film club. They share a room in the dormitory, and the "promise" they made to each other soon binds them together in a sweet way. Jin, the popular leader of the film club, and Yoshikazu, a younger student who is competitive with Jin. The two clash, but eventually become attracted to each other. Rei, the quiet and unsociable but trustworthy vice-director, and Shion, a new member of the club out of season. An unexpected kiss starts a "relationship" between the two...

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