After being fired from his job and kicked out of his home, the young man, Yuusuke, had to stay with his older brother's family until he found a new job. However, he felt unwelcome in their home and was constantly berated by his brother for being a pathetic virgin at 30. Desperate to regain his confidence, Yuusuke asked his brother's wife, Aoi, to take his virginity. Moved by his plight, Aoi agreed to let him have his way, but the moment he inserted himself, she was overwhelmed by a shockingly intense pleasure... .
