I Already Have a Dao Companion, So Why a Marriage System?!

Zhou Sheng thought he had it all figured out. Ten years of blood, sweat, and cultivation earned him the title of Holy Son of the Tianhai Sect—and the hand of Lin Wan'er, the sect leader's stunning daughter. Married to one of the cultivation world's top ten beauties, he's living the dream. Then a Marriage System awakens and labels him... single?! As Zhou Sheng stares in disbelief at the glowing interface, one question burns in his mind: how is he supposed to explain this to his wife?