Rain-slicked cobblestones, the scent of sulfur, and a desperate bargain struck in the dead of night. The shadows in the corner of the room don't just stretch; they breathe, waiting for the final drop of blood to seal the contract. When the walls close in and every door to escape is locked, some turn to prayer. Others summon something far worse.

A "disgraced noble" stripped of her birthright and left to rot in the slums has nothing left to lose but her soul. Facing certain death at the hands of her betrayers, she whispers a forbidden name into the dark, summoning a devil who offers her a tempting bargain: absolute power and the sweetest revenge, but at a devastating cost. As the webtoon unfolds and his golden eyes lock onto hers, she realizes the demon doesn't just want her obedience—he wants her heart. Can she survive the deadly game of high-society court politics with a monster whispering in her ear, or will the flames of her own obsession consume her first?
romance, fantasy, supernatural, historical, drama, demon, contract, revenge, nobility, webtoon

Also known as: Deal with a Devil, 악마와 거래를 하였다.