The King to me

Sukuna is the King of Curses, many know of his very loyal personal assistant. However she does all her work on the inside rather then adventuring out herself, due to a fairly recent incident that's labeled her powerless. They both over come many difficult hardships and their relations becomes questionable. Even in the most difficult times they managed to work together for the sake of Sukuna's status. But what is the point of it all if Sukuna ends up deciding to throw away everything he's worked for? His status, reputation, and possibly his power, gone in an instant. Every little event leading up to one fatal choice.