Mushoku wa kyu mo kyu tote meikyuu ni moguru (Associated Names)

A calamity class strongest unemployed newbie has arrived!! Haruto, 24, put in his letter of resignation from a black company on a whim. He decided to earn some money working the job that had become popular in recent times, seeker. That meant challenging a dungeon, but… Without a party, without guild registration, he became a…