A lonely psychic girl who has a connection to Watanuki. She writes her surname with the characters for May 7th, similar to how Watanuki writes his name with the characters for April 1st. Her mother has distanced herself from Kohane, treating her more as a commodity then her child. Kohane's mother even refuses to touch her, for fear that she will lose her powers. Watanuki befriends Kohane and takes it upon himself to try to protect her.