The Black Lion Society has been terrorizing the local area, capturing anyone suspected of wrongdoing and subjecting them to repeated sessions of pleasure-based torture under the guise of interrogation. Amidst this chaos, a girl named Yuri is spotted wandering the streets after her comrades go missing. Learning of the Black Lion Society's kidnappings, she single-handedly storms their headquarters, only to be tricked by malicious adults into drinking a spiked beverage laced with aphrodisiac drugs. Helpless and restrained, Yuri is subjected to intense pleasure torture. Can she withstand what may be the most extreme torture ever devised?