When Akari and her husband lost their jobs, they decided to live with her father-in-law in exchange for financial assistance from her father-in-law. Her father-in-law is wheelchair-bound and needs the help of Akari, who used to work as a helper. However, her father-in-law's gaze makes her feel there is something more to it. Then, one day, her father-in-law suddenly hugs her. Akari resists, but is told that he will stop providing assistance, and she has no choice but to accept his actions. Then, every day, her father-in-law begins to mercilessly and obscenely lick Akari's sensitive pussy...