Skeleton Knight in Another World

Skeleton Knight in Another World (骸骨騎士様、只今異世界へお出掛け中, Gaikotsu Kishi-sama, Tadaima Isekai e Odekake-chū) is a Japanese light novel series written by Enki Hakari and illustrated by KeG.

Plot
One day, a gamer played video games until he fell asleep…and when he woke up, he found himself in the game world–as a skeleton! Equipped with the powerful weapons and armor of his avatar but stuck with its frightening skeletal appearance, Arc has to find a place for himself in this new, fantastical land. All his hopes for a quiet life are dashed when he crosses paths with a beautiful elven warrior, setting him on a journey full of conflict and adventure.