My Civil Servant Life Reborn In The Strange World (bestlightnovel-com)

He was on his way to buy some beer to celebrate his acceptance as a civil servant when he was suddenly isekai’d by truck-kun. Reincarnated as Denburg Blade, the son of a legendary battle race chief, he caught demons at 8 years old and a dragon at 12 years old. Subjected to the spartan-style training of his muscular mo…