Don't own Final Fantasy
I will add to this, but it might not always be in chronological order. So to avoid confusion, I'll always have the ages underneath the title. And the age gap between Kuja and Zidane is probably a bit closer than it is than in the game.
Redecorating
(Zidane: age 4; Kuja: age 6)
"Kuja! I'm bored!"
"Nobody cares!"
"But Garland said you were supposed to watch me!"
"He never said anything about entertaining you."
"But—wait, what does entertaining mean?"
"You seriously don't know? You are a numbskull."
"I'm telling Garland you said that!"
"He's busy. And I doubt he'd be happy if you barged in on him."
Zidane stuck his tongue out. Kuja rolled his eyes.
"Pleeeeaase, Kuja? I'm bored."
"No."
"That book you're reading can't be that interesting."
"Au contraire, little brother."
"Huh?"
"Never mind. Just go away."
"But Garland said—"
"I don't care! Go away!"
Shoulders slumped, Zidane left the room. Castle Pandemonium was big and easy to get lost in, something that usually happened to Zidane once a week. Zidane found himself in the room Garland called the entrance hall, because it was the first room you saw when you first entered the castle. The walls were the same no matter what room you were in—black, depressing, and boring.
Boring… thought Zidane. Then he got a wonderful idea, and smiled. After thinking a moment to remember where his room was at, he scurried away to put his plan into action.
****************************************************************************
Garland teleported in. He only took a single step before stumbling with a curse on some unidentified object. A moment's inspection revealed the culprit to be a paint can… an empty paint can. Garland looked up.
Every hue imaginable—pinks, greens, blues, reds, yellows, oranges, purples, whites—was splattered throughout the entrance hall. Garland only had to walk into the next room to find the perpetrator. Zidane sat there on the floor, slinging paint without a care in the world.
"Zidane."
Zidane turned at the sound of his voice. "I redecorated for you, Garland," he said proudly.
"I noticed," Garland answered in a constricted voice. "Did it occur to you to ask first?"
Zidane didn't miss the tone. "Uh oh," he whispered.
Garland picked him up by the scruff of the neck. "And where is Kuja?"
"The library."
Still holding Zidane, Garland marched to the door leading to the library. "KUJA!"
"Whatever happened, Zidane did it, not me."
"AND WHO WAS SUPPOSED TO MAKE SURE HE DIDN'T DO ANYTHING?" The door slammed open, and Kuja was being held in the same manner as Zidane. "The two of you are going to scrub off every inch of that damned paint even if it takes all night!" Zidane started crying.
"Paint?" protested Kuja. "But I didn't do anything!"
"If you two keep up the racket, I'll throw in a Psychokinesis as well!"
"But I didn't—"
"QUIET!"
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"I hate you," whispered Kuja as they worked with all their might to wash the paint off.
"I'm gonna tell Garland you said that," said Zidane.
"Shut up, numbskull."
"GARLAND!"
