Where are we?

One day Kion was lying down in the Lion Guard when Kiara shows up, they find secret paintings which looked like the one's up in the Lion Guard cave but Kion and Kiara decided to move there paws against the paintings but coughed alot and looked at their Grandfather Mufasa and Scar. They both wished that they could've met him instead of just being called from by Kion and Kiara. Before anything else happened they were sucked into a whirlpool.

Btw this is my 3rd book.