Kageyama Shien

Detailed Descriptions here

Career
Yet even more Descriptions here

Introduction Video
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Background
English: "A mafia boss from the land of beastmen. Came to our world in search of his missing best friend. Was scouted by Shinove after coming to a standstill in his search. Acts tougher than he really is but doesn't have the talent to be truly evil."

Japanese: "獣人の世界からやってきたマフィアのボス. 行方不明の親友を探しにこちらの世界を訪れた. 立ち往生していた所をシノヴにスカウトされる. 本人自身は悪ぶっているが、実は悪の素養がそこまでない. "

Trivia
Shien's twitter account has been suspended because he set his birthday on 2020, making him a 0 year old mafia boss.