
A crumbling empire, a turbulent government, widespread chaos, and an international arena filled with covetous foreign powers—this was Spain in the latter half of the 19th century. Reborn as Carlo, the first Spanish King of the House of Savoy, his absolute priority right now is figuring out how to secure his throne.

Gao Yang was a military enthusiast, an ordinary one, who loved knives, guns, and adventure. In an accident, Gao Yang found himself in Africa, where he unfortunately experienced a plane crash. Although he miraculously survived, his life henceforth was one where he could only scrape by under the muzzle of guns, for he had become a mercenary. What heights could a military enthusiast reach in the international Mercenary World? Please, wait and see.

The world is divided into three parts, with never-ending alliances and conflicts. The magnificent Jing Dynasty is at its peak, with four great caves, four secret places, the Martial Guard, and the Inspection Bureau. Everyone practices martial arts, striving to reach the realm of grandmasters and great grandmasters. Reincarnated as the heir of Prince Qing, I possess god-like senses and cultivate amid wealth and glory. I aspire to become the supreme grandmaster, pursuing immortality while resisting foreign invasion and internal chaos. I stand unrivaled, dominating the world with martial prowess.

Ray Gardner finds himself sucked into another world alongside his international classmates, but when a trip to the starter dungeon goes wrong, Ray dies at the hands of a horde of monsters. Brought back to life as skeleton by the Goddess of Death, Ray is tasked with growing stronger to face the dangers of the world as a monster. But when he evolves into a more human form, he finds to his horror that not only is he a girl now, he's drop-dead gorgeous!