Which Chord Demon Works Blend Dark Fantasy With Slow-Burn Romantic Tension?

Her entire life, Seraphina thought she was human. It wasn't until after her parents were killed that she learned her family's secret. She came from a long and powerful line of witches. While going through her parents' belongings, she stumbles upon a spell book. Not only does she accidentally summon a demon king while going through it, but she binds him to her as well. Demetri is the king of the second circle, lust. When he is forcefully pulled from his throne and brought to Earth, the last thing he expected was for a woman to bewitch him. Yet, it only took one look at the beautiful creature for him to decide that she would be his. While Seraphina is trying to find a way to free him, Demetri is trying to seduce her and convince her to be his mate. When her parents' killer turns their attention to Seraphina, they must work together to locate and eliminate the threat. Enjoy the steamy romance between Seraphina and Demetri as they fight for their lives and fall in love in the process. 18+ There will be several graphic sex scenes, violence, and strong language is used.

A normal girl just as usual working every day. This changed when she met a demon. She made a contract with the demon to help her. She just want to use her demon, but she find that she can't help fall in love with the Demon

Clara lives a depressing life full of bullying and when she dies, she vows revenge on those who caused her death. A demon answers her call and offers her revenge. Clara accepts and is reborn into the body of an heiress. Together she and the demon set about getting revenge. Over time secrets are unveiled and feelings are revealed and Clara's second life becomes less about revenge and more about love.

Esteria, the queen of the northern human kingdom, was finally getting married to the vampire prince of her dreams. What began as a treaty between their two kingdoms had blossomed into a courtship where she had truly fallen in love. Life was perfect until darkness cast its shadow over her happiness. Her beloved vampire betrayed her, delivering a fatal blow. With her last breath, she made a desperate deal with a Demon God. "You will have to become my mate to gain the power to exact your revenge," he whispered in her ear, sending a shock through her dying body. This Demon God was not only breathtakingly gorgeous and immensely powerful, but he was also dangerously seductive. Now, he was offering her a deal that promised both vengeance and peril. Esteria’s mind was a storm of grief and fury. Could she handle the Demon God’s insatiable desires and the deadly power that came with their pact? Or would she be consumed by the chaotic demands of this new, dark world? "I will kill both of them. I will draw their last breath with my sword and burn their bodies with my fury," she vowed, her determination as fierce as the hellfire she now wielded.

A new sparks ignites Alanna's boring life when she gets unceremoniously kidnapped and taken to the underworld where she meets Zeron, a demon who is the king of the ice witches. Alanna thinks she has heard it all until she discovers that the king has been terminally ill for centuries and is dangerously controlled by his darkness, as a result of a curse that had been placed on him as a child. Furthermore, Alanna finds out that she is the king's cure and in order for the king to be free from the curse, she has to bond with him in every way, including marriage. Having nothing to lose, she agrees to help the king. Soon, she's falling in love with him. But will her innocent love be enough to save him? Will her passion remain unrequited, or will she finally succeed in breaking the icy walls surrounding the demon king's cold heart?

The Demon King’s Bride The entire kingdom fears him. With white hair, piercing blue eyes, and a heart sealed by cruelty, King Edrion is known as the Demon King—a ruler who accepts betrothed brides… only to turn them into concubines and discard them without mercy. When a young noble lady is promised to the king, her fate seems sealed. But she refuses to give up her freedom—or the man she secretly loves: a guard from her own household. Desperate, they devise an unthinkable plan—to have a poor girl, identical to the noble, take her place as the royal bride. The girl agrees to assume a life that is not hers, believing she will become nothing more than another forgotten concubine in the shadow of the throne. What no one expected… is that the king would choose her. Now destined to become queen to the most feared man in the kingdom, trapped in a lie that could cost her life, she must survive the court, a forbidden desire, and a king who was never meant to look at her the way he does. Because the Demon King does not love. But when he chooses… he neither forgives nor lets go.