GAJK-022 A schoolgirl is tied up and trained in the storehouse. Her stepfather has changed since he lost his mother, and now trains her with rope. Her innocent body begins to feel pleasure from pain and suffering. Hikaru Natsuki

Hikaru is overcome with grief after her mother suddenly dies. Furthermore, her stepfather, who had been kind to her even after her second marriage, has begun to act strangely, and her days are filled with hardship and hardship. One day, Hikaru accidentall