In the era of the Cataclysm, Ono, who was carefully raised by his elders in an uninhabited land, unexpectedly lost his stable country life and went to Heifu City to study alone with the tokens left by his relatives. The road ahead is filled with classmates in various situations and complicated forces in the city. With the calm mind and unique opportunities he has cultivated in the wilderness for many years, he strives to adapt to the new campus life and meet like-minded partners while exploring clues about his life experience, gradually unraveling the secret of his origin, and steadily starting a new life in such a huge city.
