Sharkushima runs a soapland business, making money daily while secretly involved in procuring, selling, renting, training, disciplining, and purchasing sex slaves. One day, he receives a request from wealthy client Oomiyaji to supply a new sex slave. Around the same time, Sharkushima kidnaps Itsukai Mei, an office lady struggling to pay her younger sister's tuition after losing her parents in an accident, and takes possession of her body. The story unfolds as he breaks down her body and mind, showing how he fully controls and uses her as his personal cumdump.