mc was the reincarnation of Lord's mugo love interested when they were still human. Lord mugo human self was called lee muhan, he was a 16 years old son of an aristocrat, who was brutally tortured and murder for mc ancestors, in order to create a world where THEY monopolize omega's prostitution and forced breeding. Nowadays Lee muhan sould was exorcised, finally letting him reach nirvana, at the same time mc burned down the headquarters of his ancestors and destroyed everything that kep lord mugo tied to listen to them. They're fourth now free, and are currently indulging on lovey dovey activities.

I dont even know the plot atp….I just know they fuck a lot