Yuka Mizuno, a son who forcibly abstinences with a chastity belt to make his mother his own

Yuka Mizuno is a mother who is made to be her son Keisuke's own through his controlling behavior, including the use of a chastity belt. Keisuke fucks his mother, engaging in various sexual acts with her, including creampie and deep penetration. The central kink of this movie is the taboo and incestuous relationship between a mother and son, with Keisuke exerting control over Yuka's libido and actions.