Misuzu dislikes her stepfather. To support their remarriage for the sake of their livelihood, she's trying to suppress her complicated feelings... However, it turns out her stepfather's decision to remarry her mother was driven by his desire for Misuzu's young body. And today, while her mother is away, her stepfather takes advantage of the situation to give Misuzu "sex education." The timid Misuzu can't resist and ends up doing as her stepfather says...
