I Have a Majin Buu System

Qin Yan, who obtained the god-level Demon Buu system, traveled to a world full of supernatural elements. You start with a dragon, and all your skills rely on swallowing. Invincible resources have arrived in the world. If I don't speak first when spring comes, that insect will dare to squeak! My life will not be as mediocre as my previous life. I want to have the most wealth, the most power, drink the strongest wine, play with the strongest sword, kill the strongest people, so what is the most beautiful... Emmm... It seems there is no last one, well, that's it. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.