Kori-chan (氷ちゃん, Koorichan?) sometimes also called Kōji (浩二, Kōji?), is a young ice devil. She is an occasional recurring character in Dropkick on My Devil!, usually with her older sister Yusa. Kōji has long ice blue hair and black-blue eyes, she has a button nose, and no visible mouth. She wears a very light blue kimono. Not much is known about Kōji's personality, however, she doesn't like being looked down upon for being a so-called "low-class" demon. She has been shown to retaliate against Jashin who thought of her as one. She always shown fears of Mei Tachibana when she always kidnaps her and place her to her collection. She is on good terms with Yurine Hanazono when helping Koji to brutalized Jashin-chan. Yusa also says that Kouji so happy when she gets to see Yurine. Kōji is roughly one human year old.