In love with my enemy

As the only successor left in the family of the Isacc, Elsa had no choice but to become a pottress. Elsa is a potter who desired to become a seamstress. Her father objected to her desires but it didn't stop Elsa from gaining knowledge about being a seamstress. As fate would have it, she encounters a strange yet interesting king, who seemed different from what a typical man should be. Elsa unwillingly secures a job in the palace and fatefully became the king's servant in which her life changed correspondingly from that day forward. Dalon is an arrogant and sharp-tongued Demon ruler that unfortunately got reincarnated as a human king after getting cursed by a witch. He is in search of the child in the curse that could cure him. Elsa's unusual and weird personality got him curious that he forcefully made her his servant. Elsa, left with two options between choosing death and working for Dalon, had no choice but to work for him as his servant. Unexpectedly Dalon fell in love with Elsa but wouldn't admit he was in love with her which caused a lot of damage in their relationship because it was not defined. Elsa turned out to be the witch that cursed Dalon. What happens when the blood flowing in Elsa's veins is the only cure to his predicament? Will Elsa give up her blood for Dalon? Will Dalon accept her blood against love? Blood or love? Power or love?