Shinji Ouhashi works for Sayaka Asai, a lonely widow who owns a laundry service with home delivery. But Sayaka's not the only lonely lady in town! Shin-chan runs deliveries and provides more than laundry services for their busty, MILF-y customers.
Takato Keisuke and six females are locked up in a dungeon underground. According to the rules, the only way to escape from this place is to rape all six of them. One by one. Can they escape from here and go back to being normal? Or is this going to change them for the worse?