Sinnoh

You always liked going to Johto on vacation, but you never actually went to Sinnoh, since it was linked with Johto, just like Kanto is, and this was a great first step, so you decide to put Sinnoh on the tablet.

"Great, the elegant and sometimes tedious Sinnoh region, always good to go there. But before you choose your girl, you'll have to choose her Category".

Confused you ask what are "Categories"

"True, you're our first client ever, Categories are something like a catalog, which helps you know what type of trainer your girl is"

"I know it's complicated, but you'll get used to it in the future, now, choose your girl's category