Evolution of the Skeleton who walked alone in a Dungeon

An army of skeletons was summoned by the necromancer during his battle. However, at the end of the fight, none survived except a Skeleton. Follow our protagonist as he struggles to survive in a foreign, RPG-like setting surrounded by danger and monsters. This was inspired by the novel "Overlord, Lv1 Skeleton, Skeleton Soldier Couldn'T Protect The Dungeon." Disclaimer: This is a work of fiction. Unless otherwise indicated, all the names, characters, businesses, places, events, and incidents in this book are either the product of the author's imagination or used in a fictitious manner. Any resemblance to actual persons, living or dead, or actual events is purely coincidental.