Mama ... It's kept by Takuya in your class ... Yui Hatano

This movie features Yui Hatano as a hardworking mother who takes care of her son Koda while his father is away on business. She allows her son's classmate Takuya to study with him at their house, leading to a series of intimate encounters between Yui and Takuya. As they spend more time together, Takuya begins to develop feelings for Yui, and they engage in explicit sex acts including blowjob, creampie, and hardcore penetration. The central kink revolves around the taboo relationship between Yui and Takuya, with a significant age gap and familial connection adding to the complexity of their affair.