High school dude starts dating this rich girl, but she ain't really feeling it. She needs a real man. Someone who'll spank her ass and make her say daddy. You know how this is going to end.
Kyosuke never liked his step-mom and wants her out of the house after his dad died. Megumi proposes that Kyosuke can do anything he wants with her daughter, Yuna, if he allows them to stay. He allows them to stay.