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.Meanwhile, Yuri, a girl who wanders around the city looking for her missing companion... After getting information that the abductee was the Black Lion Society, she goes to the office of the Black Lion Society alone. I was forced to drink and restrained and tortured for pleasure!Can Yuri really withstand the strongest pleasure torture in history?