The Ultimate Heel Heals Everything!

Lars, an unaffiliated boy, was practicing magic and heels from a trauma. He has a "beginner" heel that can be used even after 10 years, and is treated as luggage in the village. He finally decides that he will go out to the city. But there is a "secret" in his heels ...? In the new world, the life of "the most useless in the village" will change drastically!