Snake Wife, I Became a God via Fortune Telling

Xu Fan awakens a fortune-telling system, learns beast language, and saves the snake demon Liu Hongchen, spending his life with her. He slays a wolf demon to rescue his brother-in-law and meets Lin Xun. He Xiu Xiu runs away from home to join Xu Fan and falls in love with Lin Xun. Xu Fan's niece Li Xiaoxiao is critically ill; they find the Elixir of Immortality to extend her life, but only three years remain until she needs the legendary doctor Gu Shengshou to cure her. After transforming into human form, Liu Hongchen descends the mountain to find him.