Mun Euntae, the son of Emperor Mun Josung and Empress Mun Ham-soo. A prince with a double life, known as a proper and polite boy, intelligent and careful with his words and tone, but as the night rises he is a clever assassin, ruthless and cruel, searching for the one who killed his mother.

He set out at night, swiftly leaping across rooftops, light on his feet and hasty too. He makes his way to the river, stopping and pulling out his double wield swords. “Step forward, fight me.”