The evil organization Kuroshishi-kai, having their local reputation ruined by Sweet Angels, would capture girls they suspected and subject them to torture in the name of interrogation. On this day, a girl wandering the streets searching for her missing comrade... was Hinako Yanai of Sweet Angels. She gathered information and raided the Kuroshishi-kai office but ended up restrained and became prey to their pleasure torture... She desperately endured it, but the feminine instinct sleeping within her awoke, causing her body and mind to succumb and fall to the pleasure.
