Satoru rushes back to his friend Hiroshi's house to retrieve his forgotten smartphone, only to find Hiroshi and his beautiful stepmother intensely going at each other. Satoru becomes strongly aroused by the sight of his friend's alluring and lewd stepmother. Taking advantage of Hiroshi's absence, Satoru confesses his feelings to his friend's beautiful stepmother. Initially confused, she gradually reveals her hidden slutty nature and takes Satoru's cock into her mouth.