He is a generation of demon kings in the demon world. He is arrogant, evil and sycophantic, but when he meets him, he gives up everything and ends up in ruins.
He is a new generation of immortals in the immortal world. He is ruthless, indifferent and indifferent. His only purpose is to safeguard the way of heaven and ignore others, including that person...
The worlds of immortals and demons have been on good terms for hundreds of years, and marriage is a common occurrence.
It was a good match for the Demon Lord to marry the Immortal Lord's sister.
However, as early as the moment he met him, whether it was blessing or misfortune, destiny or evil, it was destined for life.