The perverted 'M' awakens, becoming addicted to penises while being ejaculated in the sex room. NHDTA-768

A new series of perverted stories is born: three sluts are publicly humiliated on a train until their lust is ignited, and they are played with without being able to resist. Finally, they are taken back to the perverts' room for a quickie, where they are violently penetrated and gang-raped until their hidden M nature begins to awaken!