Kujou no Taizai is a Manga/Manhwa/Manhua in (English/Raw) language, Seinen series, english chapters have been translated and you can read them here. You are reading Kujou no Taizai chapters on ManhwaZ, 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.