I'm playd every day by my mother's new husband. Momo Shiraishi

The movie depicts a disturbing and taboo relationship between a step-father and his step-daughter, Mashiro. The step-father, who is also the mother's new husband, begins to develop an unhealthy obsession with Mashiro, leading to a series of inappropriate and coercive interactions. As the story unfolds, it becomes clear that the step-father's intentions are far from pure, and Mashiro is forced to navigate this toxic dynamic. The central dramatic tension revolves around the power imbalance and the blurring of boundaries within this dysfunctional family setup.