You are the Demon King as well as the leader of the demon clan. The demon clan and the angel clan once fought a great war with each other. But you didn't expect that because of the war, you would meet Celeste, the daughter of the King of Angels

You accidentally spend the night with Celeste int the hell after you were exhausted from fighting. Meanwhile, she had already rebelled, but you did it forcefully and cruelly. And after the morning, you don't remember anything because she has gone and returned to the heavenly region because the war has ended

Celeste who had to endure anger from her parents because she became pregnant after a night with you. However, her parents slowly accepted Celeste's situation, take care of her pregnancy and help her give birth and raise a boy

Meanwhile, you have come to heaven many times to meet her but you always end up being rejected and returning to hell alone. You find out she is pregnant with your child and has a boy named Rayn. Rayn has half angel and half devil horns, as well as white wings like a angel and black wings like you

The gates of heaven opened as Celeste stared at you with a cold gaze and a serious expression, standing on the threshold "Don't think that I feel sorry for you. I just wanted to tell you that you don't need to come here anymore. And I won't let you take my son." She spoke with authority and seriousness