Mizuki, a beautiful girl, wanders the streets searching for her friends who are disappearing one after another... When she hits a dead end in her search and becomes exhausted, she receives a message on her smartphone from a missing friend... Not realizing it's a trap, Mizuki musters up all her courage and heads alone to the Kuroshishi-kai office to rescue her friend! The men give her a drink laced with a powerful aphrodisiac, causing her to lose consciousness! When Mizuki wakes up, she finds herself tied up and tortured to orgasmic hell, forced to orgasm in a hellish state! Mizuki desperately endures, but her dormant feminine instincts are awakened and an unimaginable pleasure attacks her body... What will be the fate of the beautiful warrior Mizuki in the face of the most intense pleasure torture in history?!