Ban Zarbo

Born with a failing heart, Kamo has fought death his whole life, but to no avail. As his body weakens and he readies to draw his final breath, he's visited by a powerful spirit named Crimson who offers him a deal: defeat and capture the souls of twelve spirits in exchange for a new heart. It seems too good to be true… and maybe it is. A pact with the spirit world; what could possibly go wrong?

After a climate catastrophe, the world has turned into a sea of ​​ice. Few people survived and retreated to cities surrounded by great walls. Night after night they have to defend themselves against attacks from icy and very dangerous monsters. The young Sami lives in one of the human settlements and has a big dream: he wants to become part of the city guard and protect his fellow human beings from the ice monsters. But then he is injured during an attack and his body transforms into a being half human, half monster...