Gedou no Uta
Alternative title: Fiend's Song, Gedo no uta, La canción malvada, The Villain's Song, 外道の歌,
Story Overview
Focuses on Kamo and his accomplice Tora, who work in the hidden world as "vindicators for employ," taking on positions from the survivors of savage wrongdoings and families looking for retribution for wrongs done to them.