Fushi no Sougishi

In a realm where the deceased are laid to eternal slumber by the Immortal Undertakers, a race resembling humans but blessed with extended lifespans, unfolds the tale of a hero destined to slay a princess. Leon, a half-breed and the youngest among the Undertakers, embarks on a journey to complete his ultimate trial. However, fate intervenes when his train derails unexpectedly. Wandering through the wilderness, he encounters a mysterious human girl. Though she is a stranger, an inexplicable urge compels him to shield her from his own kind—the very Undertakers he once called allies. This gripping narrative explores duty, identity, and the blurred lines between protector and destroyer. (Source: Mangamo) Original Web Manga