I Can't Believe I Can Fish Up Anything

To care for his bedridden father, Jiang Zhihao gave up his high-paying job and returned to his hometown, working the fields under the open sky. He thought that was all life had in store for him, but then he unexpectedly came into possession of a magical fishing rod. The things he reeled in were stranger than he could have imagined: human-shaped ginseng, a spatial ring, an unknown cultivation manual... What a catch!