The three episodes of this OVA are unrelated. Except for the fact that all the female characters are in the same class in the third episode. This hentai is based on a collection of sexual stories by Hyocorou of the same name. The first episode brings to life the first story from the manga, Noguara Nonoka asks to visit her classmate in order to "have the honor" of meeting his gruff older brother, Ryutaro. Hiroaki pretends to be completely unprepared to "entertain" the guests and, in order to leave the couple alone, tearfully begs Ryutaro to "look after" the girl while he runs off to the DVD rental shop for a DVD. The second story is based on the third story of the collection, about a half-sister longing for a loving embrace from her "brother" and taking advantage of his absence to indulge in masturbation in his room. For which she is caught. In the third story, the main character was lucky not only that the most beautiful girl in class agreed to be his girlfriend, but also that this girl's libido surpassed all his sexual fantasies.