Ochikobore (☆1) Mahou Tsukai wa, Kyou mo Muishiki ni Cheat o Tsukau

Astor, the protagonist of the tale, is a student at "Bagner's Adventurer Prep School," a facility created to prepare the greatest explorers. He has exceptional academic achievements, is a diligent worker, and has natural talent. He is believed to have been chosen as a potential member of "Bagner's Official Investigators," but he is ejected from the school after it is revealed at the Arcana Judgment Ceremony that he has the lowest rank, 1☆. Come along with a brilliant explorer as he rises from the depths!