Investigator, until depravity... Humiliating aphrodisiac training - Nishino Emi RBK-084

Investigator Nishino Emi, in order to investigate an underground criminal organization, infiltrates it as a prostitute. Her client list includes many powerful individuals. However, when she tries to take things further, she is caught and subjected to the "training" of a high-class prostitute, ending up being...