Isekai Kenja no Tensei Musou: Game no Chishiki de Isekai Saikyou

Due to an unfortunate death, a young man reincarnates under the name Eld in a world very similar to the VRMMO that he played before his passing. However, this world he found himself in didn't even know what basic skills were! As the only person with knowledge beyond the populace, Eld sets off on a journey as a level 1 novice to job change into the strongest class in the world, Sage!

(Source: Comikey)