Again My Life 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.nl fastest updating comic site. The Summary is

A righteous prosecutor, life reset, punish the villain!!!! A hot-blooded prosecutor, kim hi wu, was murdered and sunk into the ocean while chasing the tyrant who controlled korea. But, Kim Hi Wu, meets a grim reaper who gives him a chance to relive and sends him back to when he was 18 years old. As a high schooler, kim hi wu, prepares to punish the tyrant Jo Tae Sup. “To get the devil, you have to become one”