Akari the Final Boss Girl ~I’m Going to the Modern Age to Find Someone Stronger Than Me~

In a certain parallel world the demon king Avalon reigns over the last dungeon. No one could defeat him, so for ten thousand years he had been unable to fulfill his life’s purpose. Out of boredom and resignation, Avalon reincarnated into another world in search of someone who can defeat him, but what awaited him there is the body of Akari, a high school girl who was bullied to death.