The Old Man That Was Reincarnated As A Young Girl In The Demon World Wants To Become The Demon Lord For The Sake Of Peace

an old man was laid off from his job at a black company. while wallowing in the depths of his despair, he encounters a mysterious stone that sends him to another world filled with magic and alchemy. the man finds himself reincarnated as hiyo — the youngest daughter of the demon lord.hiyo attempts to make a dazzling fresh start in life by utilizing both her newfound magical powers and prior tribulations as a salaryman, however, the demon world is in the midst of a battle for succession. in order to change herself, the ex-old man is determined to defy the demon lord and her siblings. and after meeting ernest, a hero with his own circumstances, they work together to take over the throne of the demon lord — for both the sake of peace and to search for a place to belong. the two of them defy destiny, even if it means destroying the world to do so…