After 72 Hours of Nonstop Grinding, I Became the Protagonist of a Novel

There's rebirth, a System, transmigration, and crossovers! All kinds of satisfying plots, from changing the fate of the world to growing crops and harvesting melons. No mindless antics, no contrived melodrama, just one exciting chapter after another! This rookie author's first “masterpiece.” Fellow cultivators, please help me ascend to the heavens!