MEYD-265 A husband's stepson catches his stepmother's attention more than his own wife Nao Wakana

A married woman who has dated a man for a while decides to marry him. She becomes excited by an unusual slang habit. She sees something she should not have seen, and her husband's stepson, already an adult, becomes the object of her attention. The trust between husband and wife starts to fall apart as she begins a distorted affair with her stepson, ending in creampie sex.