Cheongsoo-pil

"I ended up taming the Monster Prince in the imperial palace where I was sent off like disposable property." Irena, a bastard child from a prestigious noble family, was married off to the Frist Prince, who carried the stigma of being a monster prince due to a curse. This marriage was no different from being disposed of. She thought she was destined to die on her wedding night, just like previous princess candidates, but unexpectedly, she managed to calm the monster prince with an unforeseen ability and began to live with him...