Seigen Amawaka
天若 清弦
Seigen is an exorcist and the former holder of White Tiger, one of the Twelve Heavenly Commanders. He is also the master of Rokuro and Ryougo.In the fight with Ijika Yuuto, Seigen loses his right arm, and quits being White Tiger Heavenly Commander.(Source: Sousei no Onmyouji Wikia)
Manga