My Husband Simply Won't Die

Evelia is a fearsome assassin who goes undercover as Princess Evelyn to wed and assassinate Duke Calix Broomfield. The only problem is that her husband won't die despite her killing him three times! Not only does Calix mysteriously come back to life, but everyone else around him forgets he ever died in the first place. And with each revival, he hunts Evelia down so he can be with her again... Will Evelia find a way to escape her obsessive husband and the hellish loop she's stuck in?

(Source: Tappytoon)