The Guy In Charge of Chores With Low Self-Esteem Turned Out to Actually Possess Incredible Skills Kurt, a young handyman for the Flaming Dragon Fang adventuring party, is fired because the other members deem him completely useless and wish to replace him with a more competent adventurer. Despondent, he travels to the city of Samara and looks for a job at the Hello Hello Work Station. While he flunks his physical aptitude tests, he is given a temporary job at repairing the city's walls. Not only does he fix the walls in an impossibly fast time, he also improves on them; and with all the work done, the foreman has no more use of him, although he does transfer a handsome payout for Kurt's services. As he returns to the agency for another job, he encounters Yulicia, a former adventurer and new mine owner who is looking for help in proving her new mine's profitability to avoid having her inheritance impounded within the week. When Kurt offers his help, she reluctantly accepts it, but becomes shock-impressed by his uncanny skills, his naivety towards them, and the startlingly profitable results of his work after he effortlessly converts the crystals he found into extremely powerful magic stones. Mimiko, the magic shop owner she sells the stones to, offers to promote the funding of a magic research atelier, with the stones' creator as its director. In order to protect Kurt, Yulicia decides to keep his identity and abilities secret from the public.

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