A molester appears on the train that office lady Rui is riding. She can't help but feel disgusted by the molester who rubs his private parts against her and ejaculates. However, the next day, the molester turns out to be a total nut who rubs an aphrodisiac into her vagina. Noticing that Rui has a tampon in her vagina while on her period, the molester thrusts his finger into her anus. The shame of allowing him to penetrate her asshole and the aphrodisiac effect seeping into her rectum make her shiver with pleasure she's never felt before... The woman breaks down in an instant and falls into a hell of pleasure with anal sex and double-hole gangbang...