Her parents suddenly went to Brazil to work, so Sakura went to live in her aunt’s house to prepare for the entrance exam. However, her aunt also went for a business trip, so now there was only Sakura in here.

Then, the Uesakura sisters living in the neighborhood came to stay. Thus begins her life with the older sister Ichiko, a high school girl who can’t do any house work, the beautiful little sister Futako who is in the same school as Sakura and also the President of the Student Council, and her aunt’s ten cats.