Don't lay a hand on my sister! Desperate and Fallen Servant Slave: Itsukaichi Mei ATID-576

Samejima, the owner of a bubble bath parlor, operates a business that includes recruiting, selling/renting, preparing, retraining, and purchasing sex slaves. One day, Samejima is asked by a wealthy high priest to recruit a new sex slave. He kidnaps and imprisons Mei, an office worker who lost her parents in an accident and is struggling to earn money to pay for her younger sister's school fees…