Transmigrating to Cultivate Immortality in Uncle Nine's Jiangshi World

No System + transmigration + immortal cultivation + zombies + ghosts and monsters + Republican-era story. This is a wish-fulfillment transmigration novel about the protagonist, Xue Buyi, who transmigrates to the zombie world where Uncle Jiu lives and becomes Ren Zhang, son of Ren Fa. During the Republican era, he joins Maoshan to study Daoist arts and battles all kinds of zombies, ghosts, and monsters, crossing into various stories along the way. The main plot spans four volumes: Vanquishing Demons in the Republican Era, Warlords in Turbulent Times, Shanghai in the Storm, and Resisting the Japanese and Saving the Nation!