Overlord, Vol. 2 (manga) — Kugane Maruyama

Ainz, the undead overlord, is in dire need of better information about the world he's found himself in, and to get it, he travels to the city of E-Rantel. Disguised as a mere adventurer, he accepts a mission to venture deep into an eerie forest, but the swirling shadow of intrigue hides the road ahead...