The male protagonist is the crown prince of the immortal world but fell into the devil because of the female protagonist. "If I can't protect the one I love, then what's the use of being an immortal." "I don't want this position. I will make everyone who hurt her pay the price." The female protagonist is She is a princess of the demon world and has a noble status. "If anyone hurts him even a little bit, I will slaughter his whole family." "I am a princess of the demon world and I have a noble status. What qualifications do you have to negotiate terms with me." The two met in the mortal world and started walking together because of one thing. The male protagonist is cold by nature, but he is always annoyed by the female protagonist to the point of being slightly defeated. The two fell in love while walking together. At the same time, the two men and the two women also met...
Purpose: Both high-ranking people and low-ranking people are qualified to have love