Ash, born a commoner, was sold by his father who owed him gambling debts and became a slave to the Duke of Kawertia.
While his days were hard, he was content with the well-fed life of a slave rather than the starving life of a commoner. One day, he was transformed into an Omega. And then, on Ruth's day, he was thrown into the bedroom of his master, Duke Ophelta of Kawertia, who was rumored to have a cruel and sadistic nature...
"I was wrong, I was wrong. Master, I was wrong..."
"Pheromone, try it again."
The story of Ash, an Omega slave who is completely favored by the young master of the Empire's only duchy, Ophelta, who is said to have a cruel and sadistic nature.