Uta doesn't like her new dad. For her mom's sake, she suppresses her complicated feelings and decides to support the remarriage... but it turns out that the reason why the new dad decided to remarry her mom was because he wanted to get his hands on his stepdaughter, Uta's beautiful, shaved pussy. And today, while her mom is out, the new dad gives Uta a sex education, and Uta's smooth body is defiled by his adult desires...