Read manhwa How to Prey on the Master / How to Prey on Your Master
El Louise Therese was the most outstanding knight of the Raun Empire. At a party, she witnessed the affair of her fiance and called off their engagement. El, who’s in deep sorrow due to the shock, lost consciousness and collapsed. And the next morning, Elle faced an unexpected person. It’s Theodore, who’s famous for his crazy dog nickname! But somehow, Theodore was too polite in front of her?!