Ryugetsunosuke
Fictional Character
A masterless samurai who finds meaning in a carefree life of wandering. Still young and inexperienced, he teaches the ways of the masterless samurai to the inexperienced Gennojo. He generally exudes a cool and cynical atmosphere but is a justice-minded individual who does not tolerate powerful oppressors who mistreat the weak.
(Source: Japanese = Wikipedia || Translation = MyDramaList)