Tsubekasaru Maou’s Retry

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.