Saving the Villain Husband Starts with Becoming a Mother

Si Yuanyuan, the richest man's daughter, accidentally discovered that he had an extra son. Si Xuanyu claimed to have traveled through time 30 years later, and his father was her future husband He Lou Lingxu. However, in the future He Lou would turn black, forcefully marry her and destroy the world. Si Xuanyu returned from time travel and wanted to join forces with his mother to save his father and prevent the end.