Mizuki Shida, a lewd girlfriend who begs for it over and over again with a cleaning blowjob that makes his penis swell.

The movie depicts a scenario where a young woman, Rin, lives with her father after her mother's departure. The story explores their complex and intimate relationship, blurring the lines between parent and child. As they navigate their daily lives, they confront themes of loneliness, desire, and boundaries, leading to a dramatic and intense confrontation of their feelings.