Sign in to Become a Saint: Discover That Your Wife Is Actually the Demonic Empress

Xia Xin traveled through time for ten years and became the youngest elder of the Dao Sect from a prince. He got married to a woman in the ruins, and later found out that the woman was a witch from the most powerful force in the devil's path. After being punished to face the wall, he awakened to the sign-in system. The system can check in once a day. The more special the location, the more generous the reward! After signing in, you will receive various martial arts secrets.