Book Transmigration: How Did I, a Cannon Fodder, Become the Dragon King?

I’m a new author, so please point out anything I can improve. (Feel-good power fantasy) (Multiple heroines) (No System) (Lighthearted comedy) (Dimensional superiority) (Slow burn) (Ensemble cast) After nineteen years since transmigrating, Qian Fengyun finally awakens the memories and wisdom of his past life. He thinks his arrival might cause a few butterfly effects, but... “Can someone tell me how I became the Dragon King? What happened to Luo Fan? And who tossed this Dragon King’s Decree next to me?” “An Fuli, why are all your prophecies a little off?”