Answer a pleading child’s call by using a strange device connected to the afterlife — specifically, “Sai no Kawara,” the hell for children too young to enter the realm of the dead.
Participate in the Reincarnation Ethics Program and construct a path out of purgatory by stacking sacred building blocks. Earn additional lifespan, fend off destructive demons, and discover the secrets of the damned between each tormenting test.