有馬公生
Main character in [[Shigatsu wa Kimi no Uso]]. He is a [[playing piano|pianist]] and befriends [[Miyazono Kawori]]. He has [[blue eyes]] and [[short hair|short]] [[black hair]] with [[bangs]] & [[hair between eyes]]. He wears [[glasses]] and usually a [[school uniform]].

He is voiced by [[Hanae Natsuki]] in the anime.
arima kousei