In the Ichinose household, three sisters live together. The oldest, Hinano, is pretty, friendly, and easygoing. However, she's also rather messy and lazy in her personal life. The middle sister, Ichino, is stern and easy to anger, but she's incredibly hardworking and does a lot of the chores and cooking around the house. The littlest sister, Satsukino, is a lovable little girl…