Ayumu Kouda

Ayumu Kouda (幸田 歩 Kōda Ayumu) is Rei Kiriyama's younger brother. After losing to Rei in shōgi, he stopped playing, and started confining himself to playing video games in his room.

Appearance
Ayumu is a boy with short brown hair, green eyes and freckles.

Etymology
Ayumu's given name 歩 means 'foot soldier' and is written with the kanji used for the pawn in shōgi.