Nageki no Bourei wa Intai shitai

There was an age known as the Golden Age when Treasuring Hunting was one of the greatest Sports. It gave the founder huge fame a great wealth. For that purpose, as a small kid, Krai made a promise to his friends to become a Treasure hunter in the future. Later he realized that he missing the bone of treasure hunting. He was hopeless because all of his friends gained huge fame. Then People expected something from him because of his energetic steps. Later he earns huge fame because of the one of the bets hunters.