Eric Miller is a weak, young man who simply wants to walk home and enjoy himself while playing a new video game he's purchased called "Castle Keepers". However, death comes for him instead and he's dropped into the world of Aetherweld where the game takes place as one of its villain named Theo Kraust. Thanks to Theo's prior actions, he is left in charge of the Greymont territory and married to his new wife Lia in hopes of shaping him into something better.