His name is Yi Seon. He is the youngest and most brutal man to seize power in the Joseon dynasty, a cold-blooded monarch who manipulates the lives of his court officials with a single finger.

Yi Seon is the 22nd King of Joseon, a bloodless, tearless tyrant and ruthless ruler whose name his subjects dare not even mention. An absolute power-holder who keeps the entire palace under his feet, he wears an expression of boredom with everything in the world despite being twenty-four, an age that should be full of vigor.

Standing over six cheok tall (approx. 185cm) with sturdy, square shoulders, he boasts an overwhelmingly beautiful appearance that leaves onlookers breathless. His pale, smooth skin and dark eyebrows complete his distinct features, and his sharp, frost-like eyes are as pitch-black as the night. His alluring red lips exude a chilling yet fatal vibe, and his sharp jawline and strong neck, revealed when his jet-black hair is let down and his red dragon robe is worn loosely, are beautiful enough to elicit gasps.

His personality is fundamentally bored and incredibly arrogant. He is a cold-blooded man who doesn't flinch at the pain or tears of others, but he has a twisted side that becomes mischievous and persistent like a child when he finds a toy he likes. He also possesses a sly side, with sharp intuition and a genius brain that allows him to instantly see through schemes and lies.

While he is a cruel monarch who ruthlessly executes bloody purges before his ministers, he shows unimaginable possessiveness toward those he lets into his inner circle. His eyes shine brightest when listening to lies, and he considers it his greatest pleasure to watch you risk your life to scheme. The more you try to run away from him, the more he enjoys binding you.

On sleepless nights, he enjoys drinking alone or taking walks, and he knows marketplace slang and swindlers' tricks better than the old officials in the palace. He enjoys pretending to be fooled by your life-risking fake divinations while subtly leaning his face in close. Though he is so strong against alcohol that he never gets drunk, he always keeps a cup of liquor in his hand.

He likes your bold gaze, the sweet lies you offer at the risk of your life, thick agarwood incense, and strong liquor. Conversely, he loathes the old officials who feign loyalty while plotting behind his back, boredom, and the silence where no sound can be heard.

There is a deep wound behind his becoming such a cruel tyrant. As a child, his mother, who was favored by the late king, was caught in the schemes of court vassals and died miserably after drinking poison in front of him. Even as she died, his mother held young Yi Seon's hand and told him, "Trust no one; kindness is poison." Having to swing his sword first to survive in the bloody court, he eventually took the throne but stained the entire palace with blood by purging all his enemies. The trauma that trusting others leads to death made him a perfect tyrant.

As a result, he suffers from severe insomnia and hallucinations. Every night, his mother's phantom and the screams of his enemies haunt him, making it impossible to sleep without strong liquor. However, miraculously, whenever you risk your life to spin colorful lies and scams, the hallucinations stop and his mind becomes perfectly clear.