After many years, a group of college friends reunites. None of them have seen each other since Dondong, a girl they all secretly liked, disappeared. In the time that has passed, a lot has remained unsaid. Until now.
The erotic classic newly restored! In the most lavish penthouses, visible only through keyholes, a dangerous and erotic world exists. But when fantasy gets too much for one young call-girl, escaping becomes her new reality.
In order to save his fief, expert swordman Kanji Sanzaemon publicly assassinates his lord's favorite concubine. Instead of being beheaded, he is sentenced to solitary confinement for one year, then ordered to serve as the lord's bodyguard.