Happy House 

Our protagonist Ruriko Suzuki has a TV director as a father, an famous actress mother, and two older brothers. In this house everyone lives and do as they please, but the peace is suddenly ended when her father out of the blue declares that he is leaving the family and abruptly takes off. This shattering of the balance leads the other members to follow after him one by one to live their own independent lives, but 13 year old Ruriko who is now completely alone in the condo has nowhere else to go and no one to support her. To make money she starts running the family home like a love hotel for teenagers. But this new adult world of independence is rough for a young girl, how will Ruriko find her way in it?