Fantasy: Starting with a Son-In-Law, He Becomes an Immortal and an Ancestor by Doting on His Wife

[Mortal + Son-in-law + Wife-loving Demon] Wake up. Yang Xuan became a poor scholar who married into a wealthy family. On the wedding night, his wife sent someone to live with him instead. Fortunately, Yang Xuan has awakened the [Taoist Couple Love] system, and can get rewards through the interaction between Taoist couples. [You wrote a good poem, and the Taoist monk felt happy after listening to it, and he was rewarded with a spiritual root fragment +1] [You said something to the oiran, and the Taoist couple became jealous after seeing it, and rewarded them with basic alchemy skills] When Yang Xuan received these rewards, he discovered that his wife was actually an immortal cultivator... This is actually a world of cultivating immortals.