Oops! My Wife Is the Demon Leader

Edward York, transmigrates into a martial arts world as the young master of the The York Estate and awakens the Survivor System. Though he becomes a peerless master, he must hide his cultivation, causing everyone to see him as useless. After his fiancée breaks off the engagement, he accidentally marries the gentle Isabella Quinn. As Seven Blades Guild, Celestial Order, and the Shadow Sect appear one after another, Edward fights to protect her—only to discover she is the Sect Leader of the Shadow Sect. Together, they become an unmatched couple roaming the martial world.