While her uncle is away on a long business trip, Kenji, her nephew, is allowed to live with her as a lodger. He feels bad about his uncle, but he just wants to be alone with his aunt forever. Kenji, whose admiration has become twisted, makes it his daily routine to sniff his aunt's underwear. Today, too, everything was fine until he was careful not to be seen by anyone, but he was caught by his aunt in a decisive scene. Goodbye, my first love. However, his aunt gently kisses Kenji, who is about to prostrate himself…