Because an ordinary village girl wouldn't have an entire trilogy of the Atelier Series dedicated to her. Not to mention the 3k (as of this writing) artworks on Danbooru.
Let's see...
If this was a game,What part of this is ordinary village girl!?I'm clearly just a normal uma musume through and through~Eh...? What about me~?I'd be the "ordinary village girl"... I guess...?Wha, wha, whaaat is this!?It's "an ordinary village girl's" costume