The Ossan Newbie Adventurer, Trained to Death by the Most Powerful Party,Became Invincible (Thai Ver.)

In a world where most adventurers start young, Rick Gladiatol, a former guild receptionist, pursues his dream of becoming an adventurer. Through intense training with the Orichalcum Fist, the continent's strongest party, he aims to be an F-rank adventurer with the abilities of an S-rank.