Kotone Himekawa (姫川 琴音 Himekawa Kotone) is a girl with psychic powers.
Kotone has pretty waist-length light purple hair and scarlet eyes.
Kotone is a kind and gentle girl who has trouble controlling her psychic powers, psychokinesis.
- The name Kotone means "Japanese harp" (琴) (koto) and "sound" (音) (ne).
- Kotone's surname Himekawa means "princess" (姫) (hime) and "river, stream" (川) (kawa).
- Kotone is very fond of Udon.