A middle-aged man quietly runs a stationery store on the outskirts of town. His only pleasure is observing the young female customers who occasionally visit. One day, a schoolgirl with a stunning figure, obvious even from a distance, walks in. While his heart leaps with joy, the rule that a schoolgirl's visit equals a shoplifting flag crosses his mind. Sure enough, she suspiciously slips a ballpoint pen into her bag. When he calls out to her, she surprisingly complies. Up close, her amazing proportions and mature features leave him bewildered. When he tells her to hand over what she stole, what comes out of her bag is the ballpoint pen and, for some reason, a massive amount of adult toys. "T-this isn't right, is it?" he asks, eyes wide. The schoolgirl replies, "If I shoplift, you'll do lewd things to me, right?" "If I want you to forgive me, you'll do all sorts of things to me, right?" What's with those lines straight out of an erotic manga! The man is completely overwhelmed by her sudden full-throttle nympho mode. The plain daily life of the stationery store has turned into complete chaos...