Here is how Vice Principal Luna took Princess Yuna, Snowdrop and Isamu to the mall in Yuna and Vice Principal Luna.
At the mall, There were a lot of nice stuffs they could buy.
Princess Yuna: This is so awesome!
Snowdrop: Sounds like a nice place.
Vice Principal Luna: Yes, It is nice. Now, You may buy one item.
Prince Isamu: (happy gurgling)
Princess Yuna: I bought myself an Ocarina.
Moon Starlight: I got a Double Flute.
Vice Principal Luna: Let's hear it.
Princess Yuna: (plays Jen's song from the Dark Crystal)
Snowdrop: Sounds pretty.
Vice Principal Luna: Lovely.
Prince Isamu: (giggles)
Then, they left the mall and back to Luna's home.