Hatsumi Saki awakens to masochism. A beautiful female teacher is summoned by her colleague who sees her weakness. She is tied up so tightly that the marks of the rope are clearly visible on her skin, and is unable to move. She is tied up in a merciless hard deep throat, tied up and trained with toys, crawling on all fours with a candle and a rose whip, her face is trampled, and her neck is strangled in a fierce FUCK... Inhuman rape play. She sheds tears, dribbles out her juices, and leaks a large amount of ejaculation. Before she knew it, her pain had turned into pleasure, and she had become an obedient sex slave who sought out her own suffering...