Childhood friends Yotsuba and Kenta attend the same school, but lead completely opposite lives. One day, Yotsuba receives harsh criticism from the director during a kissing scene during a drama shoot. Reflecting on her lack of dating experience, she asks Kenta to be her boyfriend for now. Confused by Yotsuba's outlandish remarks, Kenta succumbs to the temptation to expose herself in school and ends up having creampie sex with her...