As girls go through the portal, their outfit changes to magical girl outfit

Catie Welcome to the Gallery, a Painting World, a place where you can see every world in all its beauty, or at least a miniature version of them
Annabelle Miniature version?
Catie You know how you have paintings in museum but copies of them send in stores?
Annabelle Yeah...
Catie Pictures of the like this

Many different paintings in different art styles go through the wall of the gallery

Girls look at pictures around, one painting portrays a miniature creature in children book style, another look like watercolor painting with underwater kingdom

Then Annabelle notices, some pictures have stains on them

Annabelle So those are...
Catie Problems we are going to solve, adventure awaits!