Reincarnated as the Most Hated Villain 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

Arima Seto is a 23-year-old part-time worker. One day, he is reincarnated as Lobelia Crowley, the most vicious villain in the popular smartphone game Arcadia Fanrasy!

He tries to do good deeds to avoid the catastrophe ending, but he can't stop using his sharp tongue...!?