Kaho is a female teacher at a certain school. She prioritizes work over her family, is full of a sense of justice, and cares about her students. Her only worry is the existence of a school-refusing child named Yoshioka. One day after school, she goes to Yoshioka's house to make a home visit, and what she sees there is a rundown room... Later, Kaho goes to Yoshioka's house again, but she is raped by an enraged Yoshioka. From that day on, the young man's madness escalates... Kaho is taken to an SM hotel...