Having maintained a long-term relationship with her son, Nozomi is suddenly discovered by Junya, her son's friend. Shocked and desperate to protect her son, Nozomi resolves to offer her body to Junya. However, she gradually becomes intensely obsessed with him, hurling lewd words while losing control of her own desires—eventually craving Junya's body more than anything. In this way, Nozomi fully transforms into a depraved mother.