Would the well-known proverb of “There’s more than one way to skin a cat.” be relevant here?
That’s not Serena (Whoever that is). She’s the main character of the webomic this originated from.
It is Serena. Just without a hat – http://bulbapedia.bulbagarden.net/wiki/Serena_(game)
It’s the main character of the comic, but she is dressed as Serena. More importantly, Pokemon Centres offer their services FOR FREEEEE
But they were out in the field and in need of a potion. Those cost money.
Looks almost like Hilda from Black & White dressed as Serena.
Did you know that the saying “There’s more than one way to skin a cat” was a sailor saying that referred to skinning catfish.