Thirteen-year-old Karin Hanazono feels like her life can't get any worse, Her parents died when she was younger, leaving her with an aunt who doesn't hesitate to call her stupid and useless over her poor grades. Her only friend, her cat named Shii-chan, passed away recently, leaving her completely alone. All she has left of her parents is a ring given to her by her mother, which she treasures dearly as the sole thing...