my civil servant life reborn in the strange world

he was on his way to buy some beer to celebrate his acceptance as a civil servant when he was suddenly banged down by a truck and sent to another world. reincarnated as denburg blade, the son of a legendary battle race’s chief, he slew demons at the age of 8 and a dragon at the age of 12. subjected to the spartan-style training of his muscular monster of a father, he lived an inhuman daily life. “i must leave this place that is far from peaceful!” safety is the best! so he chose to be a civil servant of the empire! can denburg really become a civil servant and live the peaceful, stable life he wished for?