A lost soul awakens in a coffin and lives again in the body of an unfamiliar young man. The boy had been chosen as an heir, only to die when his own master pierced his heart.
The guide in the coffin is a living corpse who has lived for thousands of years.
The coffin has arranged for him to take possession of this new body, leaving the soul from another world no choice but to continue the boy's unfinished journey.
In this new world that devours the weak, he takes one step forward at a time.
