The Black Lion Society, a dark organization whose hometown has been devastated by the Sweet Angels, has caught suspected humans and subjected them to pleasure torture called interrogation. On this day as well, the figure of a girl wandering around the city looking for her friends who were kidnapped and disappeared is Hikaru from Sweet Angels. Hikaru desperately endures the pleasure torture in which she is restrained and unable to move, but she is swallowed by the wave of pleasure and her body and spirit fall.
