Yasei no Last Boss ga Arawareta!  

A Wild Last Boss Appeared!, 野生のラスボスが現れた！, A Wild Last Boss Appears!

In the year 2800, Lufas Maphaahl, known as The Black-Winged Tyrant, Great Conqueror, and leader of the Twelve Heavenly Stars, has returned. An individual wakes up in their MMO character's body 200 years after their defeat during a player-made event in Exgate Online. Now they are trapped in that body. However, this isn't just a game; it's real life. Although her reign has ended, her legacy of fear remains. As she searches for answers, companionship, and the monsters she unleashed upon the world during her "death," Lufas must navigate through Exgate.