Karin is the cynical and sarcastic daughter of Isshin. Compared to her soft-spoken twin, Karin is the more authoritative of the two. She is an excellent soccer player with a kick powerful enough to fight weak hollows. Karin's tough exterior results from her mother's death; because she could not be useful around the house like Yuzu, she resolved never to cry so that she would not burden her family with her personal troubles.