Kuzuless Oblige 18-kin ge sekai no kuzu akuyaku ni tensei shite shimatta ore wa, gensaku chishiki no chikara de dōshite mo mobu jinsei o tsukamitoritai is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Before I knew it, I was in a world of 18+ games with magic and erotica. In it, I was reborn as Ultos, the worst scum in history. If I continue like this, I will meet the worst possible fate. Somehow, I must be reborn from the hated character known as 'ScumUltos' into a pure and innocent mob character...!! Rise up from being the worst douchebag villain of all time!