In a world of martial arts and fierce competition, Yeo-un, an illegitimate son of the High Priest, struggles to survive among his ruthless half-siblings at the Mashin Academy. His life takes an unexpected turn when a descendant from the future injects him with advanced nanomachines, enhancing his abilities beyond normal human limits. Armed with this new power, Yeo-un must navigate deadly political intrigue and intense martial arts battles while competing for the coveted position of Minor Priest, transforming from an underdog into a force to be reckoned with.
