Humanity was attacked by monstrous beings known as Carriers, emerging from a tunnel that suddenly connected to another world. As if that weren’t enough, an unknown virus began infecting people, leadi...more

Humanity was attacked by monstrous beings known as Carriers, emerging from a tunnel that suddenly connected to another world. As if that weren’t enough, an unknown virus began infecting people, leading to widespread death. Despite being a Purifier tasked with hunting down Carriers, Kaito Saeki, a frail young man, fights on the battlefield, risking his life to earn money for his equally sickly younger sister’s medical treatment.