Kujou no Taizai is a Manga/Manhwa/Manhua in english language, Seinen series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

The story centers on Kujou, a lawyer who would even defend the devil. In the new Reiwa era where chaos is spreading, he is the “guardian of darkness” who operates behind the scenes.