The Black Lion Society, whose hometown has been ravaged by the Sweet Angels, has caught suspected humans and subjected them to pleasure torture called interrogation. The figure of a girl wandering around the city looking for a friend who was kidnapped by the Black Lion Society and went missing... is Nanami. Information came from my friends... I went to that place alone, but I didn't know it was the hideout of the Black Lion Society... Can Noa endure the strongest pleasure teasing in history?