Investigative officer Tsukasa gets caught in the conspiracy of the Black Lion Society. Her solo operation, launched after obtaining crucial information, turns out to be a completely orchestrated trap. Bound and completely immobilized, she is mercilessly toyed with as the illegal drug they had been investigating is forcibly administered into her body. Amidst humiliation and resistance, relentless waves of pleasure assault her. Struggling desperately, she remains trapped in an unending barrage of sensual attacks. As consciousness fades, she plunges into an eternal hell of continuous forced orgasms. What fate awaits Tsukasa's body and mind?