Things change for better for Karin when she meets Himeka Kujyou and her cousin Kazune, whom she lives with. With poor grades, a mean aunt, and few friends who understand her, she feels lonely and desperately believes that God will help her out of these circumstances one day, holding on to the last remaining memento: a ring that originally belonged to her mother.
Karin Hanazono is an ordinary 13-year-old girl who becomes depressed after the death of her parents and her last companion, her pet cat Shii-chan.