Kozue has been KÅ«'s best friend since they were little and always keeps her in mind. She has her energy drained from her by Tarlotte during one of the latter's attacks on the school Kozue attends along with KÅ«. She has a fascination with Jin ÅŒgami. She remains concerned with KÅ«'s well-being after the latter disappears and tries to contact her, though KÅ« is unaware of this and believes her place at Kozue's side has been taken. Neither of Kozue's parents are with her. She appears to resemble Makoto from Kannazuki no Miko