Invincible Leveling King (Novel)

Otaku Lin Fei crossed over to a new world… Rare and exotic medicinal pellets? I eat them like snacks… Powerful martial art secret instruction manuals? I can sell them like newspaper bundles… What.You’re an absolute genius? I wreck geniuses like you for a living… Why am I so powerful? It’s because I have leveling system version 1.0!