A middle-aged man quietly runs a stationery store at the edge of town. His only joy is observing young female customers who occasionally appear. One day, a J-system girl with a figure that's noticeable even from afar enters the store. His heart flutters, but he recalls the rule: J-system girls visiting = shoplifting flag. Sure enough, she suspiciously puts a ballpoint pen into her bag. When called out, the J-system surprisingly complies. Up close, her style is outstanding, and her mature features confuse the man. When prompted to 'hand over what you stole,' she pulls out a pen and an inexplicable amount of adult toys from her bag. The man's eyes widen in surprise as he asks, 'W-wait, this isn't right, is it?' The J-system responds, 'If you shoplift, will something perverted happen to you? 'If you want me to forgive you, I guess you'll have to do all sorts of things?' What the hell kind of erotic manga line is that! A man suddenly overwhelmed by a full-blown yandere mode. The mundane daily life at the stationery store has turned into complete chaos…
