The male protagonist Chu Tian traveled through time to the seventh prince of Chu, but his whole family was killed just after time traveling. The system happened to be awakened at this time. The system can sign in and collect and store anything. After accumulating enough points to upgrade, he learned that he and his six beautiful wives-in-law were the only ones left in the palace. So for the sake of the continuation of his family and country, he could only start an escape with his six wives-in-law.
