Schoolgirl An'na engages in bold acts of deception, pretending to do enjo kosai to swindle older men. When this lands her in trouble with a middle-aged man, a thug intervenes—only to mock and belittle her. However, they quickly conspire together, abducting her in a van and acting out their individual desires. The gripping, eerie atmosphere and tense progression are the highlights of this story.