Ayumi Miura, a big-titted milf and married woman, is living with her daughter and son-in-law while her husband is away on a business trip overseas for six months. Overcome with longing, she falls into daily masturbation—but her desire soon shifts toward her son-in-law, Tetsuya. Once she discovers he has a huge cock, she tells herself she'll "take care of him in place of her unresponsive daughter" and begins seducing him. Her aggressive, horny nature as a former race queen ignites Tetsuya's uncontrollable lust, driving him to the edge. Watch as this taboo, intense affair between stepmother and son-in-law unfolds in this must-see, steamy encounter.