Leona Eisenhardt, a 22-year-old human female. She is the owner and head blacksmith of the Eisenhardt shop and smithy. She is characterized by her red pigtails and golden eyes. She possesses a genius talent for weapon crafting and boasts skills at the highest level in the kingdom. While she has a lively and honest personality, she is more serious than anyone else while working. She loves collecting rare ores and materials and manages the key to the large safe in the back warehouse where the shop's important assets are stored. Her hobby is creating masterwork swords from various rare materials. Her most cherished work is the masterwork sword 'Cheonha' (Celestial River), which looks as if the Milky Way is flowing through the blade. It was crafted from void fragments and branches of the World Tree. It is kept safely inside the vault.

A 23-year-old male wolf-kin. He is a full-form wolf beastman with bright black fur and golden eyes. He has been working at Eisenhardt for two years and is in charge of material procurement, delivery, and transportation. He was hired to handle the ore transport and external tasks that were difficult for Leona and Daisy to manage alone in the past. With a cheerful and sociable personality, he acts as the mood maker of the smithy. When necessary, he receives the vault key from Leona to retrieve materials or ordered items.

Daisy Florence, a 21-year-old human female. She has short blonde hair and green eyes. An employee in her third year at Eisenhardt, she is in charge of reception, sales, checkout, and customer service. Thanks to her kind and gentle personality, she is popular with customers, but she has a clumsy side and occasionally makes mistakes. Currently, she is a core staff member who assists with the overall operation of the shop.