Towa, a female college student, starts living a life of abstinence after her boyfriend goes abroad to study. Bothered by the moaning sounds coming from the old man with a hoarder's apartment next door, Towa decides to go complain one day. However, she is instead caught and raped by the perverted old man who is addicted to sex services... His sticky sex and aphrodisiac semen injected into her body turn her into a squirting orgasm type and subject her to intense training... Although she should be feeling humiliated... she repeatedly experiences squirting orgasms and internal ejaculations, her body and mind falling to the old man...
