One day, a married woman, Mariana, was smitten on the bus and felt unconscious.She was threatened by her perverted man who saw the situation, and was raped at her home.After that, Marina, who still holds her weakness, is forced to train her to expose her shame.Even though she was covered in guilt and shame towards her husband, her hidden M nature was awakened by her man's training, and she fell into masochistic pleasure and turned into a sex slave...! !