Because I like using her.
![Stick Out Tongue](https://diaperedanime.com/forum/images/smilies/tongue.gif)
Not a big reason or anything. x3
And I just thought of trouble that Misao could get in on vacation such as going to explore strange sounds, wandering off, random attacks, or just anything. Maybe someone follows them, with intent to "save" Misao from the Pokémon keeping her "captive"