||Professional Go Player
|Japanese Voice Actor
|English Voice Actor
Hiroyuki Ashiwara (芦原 弘幸, Ashiwara Hiroyuki) is the youngest pupil of Toya Meijin and one of Akira Toya's friends who is closet to his age since Akira didn't have friend near his own age.
Ashiwara is shown to have dark brown hair that has bangs swept to the left side and dark brown eyes.
- The name Hiroyuki means "vast, broad, wide" (弘) (hiro) and "happiness, good luck" (幸) (yuki).
- Hiroyuki's surname Ashiwara means "reed" (芦) (ashi) and "field, plain" (原) (hara/wara).