The protagonist of the [i][[Ryuu Ga Gotoku (series)|]][/i] series, succeeding [[Kiryu Kazuma]] from [i][[Ryuu Ga Gotoku 7]][/i] onwards.

A former member of the Arakawa Family, Kasuga is a passionate and out-spoken bottom-barrel [[yakuza]] with a strong sense of justice who lived most of his younger days playing [i][[Dragon Quest]][/i]. Because of this, he imagines every fight as a RPG battle and relies on teamwork with his friends in order to fight stronger opponents.

Voiced by:
Nakaya Kazuhiro (Japanese)
Kaiji Tang (English)
春日一番