Ichi Kawasumi

Ichi Kawasumi (川澄 一 Kawasumi Ichi) is a friend of Atohira and the older brother of Taichi Kawasumi.

Etymology

 * The name Ichi means "one" (一).
 * Ichi's surname Kawasumi means "river, stream" (川) (kawa) and "clear, pure" (澄) (sumi).