Post-00s Heavenly Master: Down the Mountain to Set the Supernatural World Straight

Little Taoist Lin Xuan is sent down the mountain by his master to gain experience and understand the everyday life of the mortal world. He tells fortunes, catches ghosts, and reads feng shui. The story follows mainstream Taoist principles, has a single female lead, and the protagonist isn't mindlessly invincible. It's well worth a read.