The story begins with Yggdrasil, a popular online game which is quietly shut down on its last day. Our protagonist Momonga decided to stay until the last moment in his beloved game and wait for the force logout. Unexpectedly, the server did not shut down and Momonga is stuck in his skeleton body and got transferred to another world. "The powerful Overlord" needs now to discover a new world and face the continuous challenges.
Having no parents, friends, or place in society, this ordinary man strives to take over the new world the game has become
29-year-old programmer Suzuki Ichirou finds himself transported into a fantasy RPG. Within the game, he's a 15-year-old named Satou. At first he thinks he's dreaming, but his experiences seem very real. Due to his use of a 3-time-use special power (meteor shower), he ends up wiping out an army of lizardmen and becoming very high level. He hides his level and plans to live peacefully and meet new people, though developments in the game story (like the return of a demon king) might get in his way
Neneko has the power of a "miko," but she avoids all people due to their reactions to the animal ears on her head. In her loneliness, she made herself a shikigami, an attractive man named Shichikage. One day, she's invited to work in a clinic with other miko, and she decides to go, hoping especially that she can find a way to get rid of her ears and then live an ordinary life. Once there, she meets the other miko and their shikigami, and starts her new lifestyle--making new friends and dealing with the difficulties of being a miko