Tatsuya's father remarried Hitomi, a subordinate at work, and his son Tatsuya found a new mother. However, Tatsuya could not accept his boastful father and Hitomi doing housework in a defenseless state. One day, he called Hitomi and told her that he couldn't pay his debts and got caught by a scary man, and had his friends rape Hitomi. Since then, Tatsuya has been spending his days in a mess with his friends without going home, and Hitomi tries her best to reform him, but Hitomi's friends try to defile him again...