Eustace lived his life of struggle and pain due to discrimination. Even then, his talent for magecraft shined. He became one of the strongest mages to ever live. Somehow, it rubbed the so-called nobles the wrong way. In the end, he was besieged by six other genius mages before finally losing his life.

After dying he thought he would finally get the rest he deserved. However, he found himself reincarnated as a skeleton with a voice calling itself system in his head.

"Huh! What do you mean I have to do a quest? I would rather sleep."

Thus began the story of a reincarnated mage's skeleton days.