The Marriage Tribulation of His Highness the King of Hell

She is the female King of Hell in the underworld, and he is the Third Prince Long of the South China Sea. They were granted marriage by an imperial edict from the Emperor of Heaven, and their lifelong marriage was tied together by Yue Lao. They finally determined their feelings, but there were many twists and turns. The spring of the Dragon Clan was stolen. The two put aside their affair and went into the demon world to investigate, but found nothing. Finally, they learned that the news of the spring was related to their seven-life love disaster.