Some people are born with some special abilities, and these abilities always have some special uses, and these special uses create some very special professions, such as the Celestial Master, commonly known as the Demon Catcher.
She is extremely talented and is regarded as the next generation head of the family. She regards slaying demons as a lifelong event, but she falls in love with him during an unexpected mission.
He was an outstanding gambler and turned his hands into clouds and rain at the card table. However, he was cursed because he refused the invitation of the boss, so he met her for safety.
After all, love between demons and humans is not allowed at any time.