Tsubekasaru Maou’s Retry 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

Five hundred years after the Demon King Gigue was defeated by the female hero Mia, the descendants of the hero were arrogant. Aru, the bottom adventurer, is deceived by such a brave man and gets a cursed sword. However, the sword caused Aru to regain all the power and memory of the Demon King Gigue. As a reincarnation of the Demon King Gigue, Aru embarks on a journey to wipe out the rotten hero.