Atla is the guild master in the town of Millela's guild.

Yuna thought she was an exhibitionist because her outfit emphasised her breasts and had skin laid bare around the waist topped off with a mini skirt.

She is a bit shameless citing that she dresses the way she does because it makes the men happy. Despite that she despises the Commerce Guild for hiking up the price of fish and various food items to make a profit during the Town's hardship revealing a strong morality. She was an excellent guild master who did all she could for the sake of the residents.

(Source: Kuma Kuma Kuma Bear Wiki)