Kiyotaka Ayanokoji, a figure of extraordinary ability in his past world, finds himself transported to a fresh, yet eerie environment in the year 2036 where it currently in the middle of nuclear flames the tranquillity of the new realm is shattered suddenly by an unpredictable and unresolvable apocalypse of a clandestine nature. His name and appearance will stay but it cannot be said the same to his age, status, parents, and backstory. How will Ayanokoji respond in the face of such a formidable challenge?