After Refusing to Marry Me, My Senior Brother Went Crazy with Regrets

Asking for Books! the Hero and Heroine Are Childhood Sweethearts, Engaged, and Cultivating Immortality

The heroine's name is Zixuan? There is also an older brother, the male protagonist is the reincarnation of a god. The two were childhood sweethearts. There is a jade pendant as a marriage contract. The heroine once went to the God Realm to find the hero. It is discovered that the male protagonist has a fiancée. Then return to the lower realm to dissolve the marriage. The male protagonist starts chasing his wife.