Meru works as a caregiver in Japan to escape the sexual assault from her foster parents in her hometown. She was living a peaceful life, but one day, her hated foster parent appears right in front of Meru. Meru, who couldn't do anything like before, was about to be violated, but she was repelled by the elderly man in charge of her care, and the old man became Meru's benefactor. From that point on, Meru began to think that she wanted to provide loving care to the old man, not as a job, and began to repay him with her young and innocent body...