After quelling the magical beast crisis, Edmond, the Empire's Supreme Archmage, falls victim to a conspiracy. Crashing into the Shadow Wasteland, he loses both his memory and magic, adopting the alias "Cole" and surviving alongside Lily, the orphan girl who saved his life. Twenty years later, while working as a stable slave for the Octavius family, he accidentally offends the young master, Sebastian, and endures endless bullying and humiliation. However, Sebastian discovers that "Cole" possesses the family badge crafted by his mom. Cole is his dad he's been desperately searching for all along.