Bang Yongguk, Lord of the Underworld, hasn’t returned to the Surface in centuries. The first time he does, he finds a forest nymph caught in an animal trap, bleeding to death. Even with tears in his eyes, regarding him with fear and suspicion, the nymph is the most breathtaking creature Yongguk has ever seen.

An omega's alpha is the most important person in their life. Trapped in an arranged marriage with alpha Bang Yongguk, Junhong doesn't get a choice, but he soon finds that Yongguk is the best alpha anyone could ask for. But Yongguk