[Cthulhu+apocalypse+rebirth+cool writing+crazy criticism+rejection of internal friction+cycle]
He has been a hero of the Disaster Management Bureau for eight years, but on New Year's Eve, with a glass of poisoned wine and a beheading, his most trusted senior sister personally sent him to a dead end. He could only watch his head being chopped off... This feeling seemed very familiar, as if he had been beheaded many times, and it seemed that something terrible would happen next...