I Have an Experience Value in the Fantasy World

Ye Fan, a social animal, traveled to a different world, where I usually ate natural treasures as snacks. The secret book of invincible magical power? All packaged and sold... What... Are you a genius? I'm fighting geniuses like you. Why am I so awesome? Because I have the strongest upgrade system. Features of this book: All the rude and brainless harems are included! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.