Katla Larchica is a supporting character in Atelier Escha & Logy: Alchemists of the Dusk Sky and Atelier Shallie: Alchemists of the Dusk Sea. Katla is a cheerful and smart girl selling items in in front of her home in the town area. By chance she made acquaintances with Escha and Logy through business. Her parents managed a general store in the past, but after a mistake within the management they gave up. Katla has now taken up business instead of her parents, and dreams that one day the general store will be revived.