The Rebel Gems (SU oc Fanfic)

Prologue

In the dusty abandoned valleys of the Kindergarten lived four gems.
Thousands of years ago they all lived under the power of White Diamond.
White Diamond was the creator of war gems. Obsidians were used in many battles, be use of there stealth.
When gems were colonizing on Earth gems needed assistance for all of the Obsidians.
Coals were produced in the Kindergartens to help Obsidians. Thousands were made, but most were destroyed during the battles against the crystal gems.
When the gems decided to return to Homeworld centuries later White Diamond requested an Obsidian to scout the Earth for gem life.
Obsidian never really liked the rule of White Diamond. She thought every gem should be independent and live without The Diamond Authority.
Obsidian started off looking through the Kindergarten. As she walked threw the newest part of the kindergarten she noticed how off it was. The area was to fresh looking as if someone was there. She tensed up when she heard a thump. Summoning her sword she called out to the producer of that noise.
When everything was settled a figure quickly sprang out of nowhere startling the obsidian causing her to slash at it. The figure hits the ground and sends particles of dust flying up everywhere.
"State your business, why are you here?", obsidian barks pointing her sword at the unknown persons.
"Well could ya at least stop pointing that damn sword at me??", it replied. It was a gem, in a female human form. She had light gray skin, and dark gray hair.
She was a coal.
"A coal....homeworld had stop producing your kind before they stopped colonizing on Earth.." Obsidian stated letting her guard down a bit.
"Yeahhh well I guess I'm the only hunk of coal that's survived after all this time. eheh.."
Obsidian signs and unsummons her weapon.
"Well I guess I'll have to report this to White Diamond-"
"NO! YOU CANT!" Coal exclaims grabbing Obsidians arm.
"They'll smash me if they find out I'm still alive! That's what they did to the rest of the coals!"
Obsidian looks at Coal for a few moments, questioning if she should believe her.
"How can I trust you..?" Obsidian looks at Coal questioningly.
"Here I'll show you!!" Coal quickly grabs Obsidians hand and she breaks off into a sprint threw the kindergarten.
Leaping and swerving around rocks and stones of all sizes, Coal drags Obsidian to a stop.
In front of them was a dead end. The stone walls stood over high above then and each crevasse was powered with an odd black substance.
"This is where I was made!!" Coal explains to Obsidian that she was made in the kindergartens, and that most Coals were brought back and destroyed, because they were no longer needed. White Diamond had found another type of gem called red stone that was for efficient than a coal.
"She killed so many gems just because they were no longer need of there service... That's terrible!! White Diamond can be cruel but this is horrible. I will not stand for this!!!" Obsidian shouted out with anger slamming her foot on the coal smeared ground. "I'm turning against White Diamond, I'm tired of being her slave!! I am my own gem!"

~~~~~~~~~~~~~~~~~~~~~~~~~~~~ I hope you gais liked it :3