Akari and Hikaru had been dating for six months. Their relationship was still fresh and innocent, but one day, on her way home from school, she was accosted by a middle-aged man named Kusaka and forcibly dragged into his room. For Akari, who values cleanliness, the room, filled with garbage and the stench of sweat, was hell. Despite her resistance, Kusaka raped her, leaving her tormented by guilt towards Hikaru. She managed to escape, but was later threatened by Kusaka and summoned again. As she reluctantly complied, she began to awaken to an unknown pleasure...