From Seven Seas:
Long ago, Fujishiro Kosuke promised his love to his childhood friend, Sayaka-chan. But his pledge to save his first sexual experience for her takes a shocking turn when he’s suddenly abducted and thrown into a secret prison–run by beautiful, terrifying women in fetish gear. His seductive kidnappers claim to have a higher purpose but are after one thing: Kosuke’s virginity, and they’re willing to employ every kink at their disposal. Who are these women, and why are they trying to break Kosuke’s promise to Sayaka-chan? In this darkly erotic thriller about fear and desire, one man is about to face a sexual gauntlet like no other.

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