After dying in an accident with his little sister, Kenji wakes up in the body of the young duke, a powerful but widely despised official in the Camelot Empire. Everyone sees him as a cunning traitor who manipulated the young Empress's rise to power. But he just want to survive.

The story follows Kenji as he navigates dangerous court politics while trying to shed his predecessor's villainous reputation. Though the emoress suspect and resent him, she can't eliminate him without risking her own position against rival factions.