Imagine that the girls are in Land of Departure on the cliff (pic above). The boys are with Master Eraqus in the castle. So they won't be in this.

~~~~~~~~~~~~~~~~~~~~~~~~~~

  Aqua was training Kairi to use her keyblade. Naminé and Xion sat watching the two.

  "How bout we sing as you train?" Xion asked.

  "Sure, what song?" Aqua asked as she blocked Kairi's attack.

  "I'm Your Girl from Descendants Wicked World!" Naminé smiled.

  "Yes that goes perfect with what we're doing. In a way," Kairi said. The other girls nodded. They began to sing a cappella.*

Aqua, Kairi, Naminé, and Xion
You know I got it, I g-got it
You know I got it
I'm your girl

Kairi
Every time you miss the beat and life pulls you under
When you need your rhythm back I'll be your drummer
No matter where you're comin' from I'll see your true colors

Naminé and Xion
Oh, ooh, ooh
Oh, oh, ooh, ooh

Kairi, Naminé, Xion
If you come undone
I'll be the one to make the beat go on and on and on

Xion
I'll be your A to the Z even if trouble's coming
You know I got it, I g-got it
You know I got it
I'm your girl
I'll be whatever you need
Call me and I'll come runnin'
You know I got it, I g-got it
You know I got it
I'm your girl
You know I got it
I'm your girl

Aqua
I'm a little bit sunshine, a little bit starlight
Sometimes when my halo slips I dance on the wild side
No matter where you're coming from I know what it feels like

Naminé and Xion
Oh, ooh, ooh
Oh, oh, ooh, ooh

Kairi and Naminé
If you come undone
I'll be the one to make the beat go on and on and on

Aqua
I'll be your A to the Z even if trouble's coming
You know I got it, I g-got it
You know I got it
I'm your girl
I'll be whatever you need
Call me and I'll come runnin'
You know I got it, I g-got it
You know I got it

Xion
I'm your girl
And if the road gets rough I'm gonna be hanging tough
Yeah, yeah, yeah
You can get lost sometimes
I'll be your neon sign, yeah, yeah
'Cause I'm your girl

Naminé and Aqua
You know I got it, I g-got it
I'm your girl

Kairi
If you come undone
I'll be the one to make the beat go on and on and on
To make the beat go on and on

Naminé
I'll be your A to the Z even if trouble's coming
You know I got it, I g-got it
You know I got it
I'm your girl
I'll be whatever you need
Call me and I'll come runnin'
You know I got it, I g-got it
You know I got it
I'm your girl

Kairi, Naminé, Xion, and Aqua
I'll be your A to the Z even if trouble's coming
You know I got it, I g-got it
You know I got it
I'm your girl
I'll be whatever you need
Call me and I'll come runnin'
You know I got it, I g-got it
You know I got it
I'm your girl

  Kairi and Aqua finished their training as the song ended. The four girls smiled at each other knowing how loud they had been singing.

  "Bet the boys heard us from the castle," Kairi giggled.

  "Agreed!" Aqua, Naminé, and Xion laughed.

  They began walking back to the castle once they had all their things, talking about how training went.

~~~~~~~~~~~~~~~~~~~~~~~~~~
*A cappella meaning:

The group Pentatonix sings a cappella for example.