Futaba Yoshioka thought all boys were loud and obnoxious until she met Kou Tanaka in junior high. But as soon as she realized she really liked him, he had already moved away because of family issues. Now, in high school, Kou has reappeared, but is he still the same boy she fell in love with?

Futaba Yoshioka has encountered her first love again in high school, but he seems different from the boy she once knew. Kou asks Futaba to go on a date with him to the summer festival. But as the two grow closer, fellow student Toma Kikuchi sets his sights on Futaba.