Monochrome was a pegasus born in a really normal family. His father, and his younger sister were also Pegasi, but his mother was an earth pony. He got his name after the color of his mane, black and white. His coat was a dark purple and his eyes were of a light gray. His younger sister had a pink&white mane and tail. Her coat was the same dark purple as her brother and her eyes were light blue. Her name was Candy Mane, obviously chosen after her mane too. It has the same colors of a candy. Both didn't have their cutemarks yet.
The family lived in a house not too far from Ponyvile or Cloudsdale. They choose to live right between the two cities because of their mother, Caramel Song. Since she was an earth pony, there was no way she could live in Cloudsdale, so the family lived between earth and sky. The father, Wind Flow, had to teach both foals the art of flying and they usually went in an open field not far from Everfree forest. The father always warned both foals to never get too close from the forest, for it was home of really dangerous creatures. But as some ponies would say: "the forbidden is always more enjoyable"

One day, after the usual session of flight training with their father, both foals were playing and enjoying a sunny day on the open field. Monochrome was showing off his superior skills in flight, making her little sister clap her hooves in excitement when he did small and simple stunts. Not that she was a bad flier, but the age between then made all the difference. Mono was 10, while his sister was only 7.

After a few minutes, the elder brother got tired and was going to land to rest, but something caught his attention. Above the trees, a bird was flying in circles. It was yellow, orange and red and its body resembled fire... a phoenix.

"Hey sis! Come up here! You HAVE to see this!" Monochrome shouted to her sister below.
"Hold on! I'm coming!" She said and started to flap her tiny wings, lifting from the ground slowly until she reached the right height.

The bird was still there and her eyes widened in awe at the sight.
"Wow… it's beautiful!" She exclaimed.
"Let's go! I want to see it closer!" Monochrome said and started to fly towards Everfree forest.

"Brother wait!" Candy Mane said while flapping her small wings trying to follow her brother.

They soon reached the trees of the forest, going after the phoenix. The bird saw both foals coming closer and the dove on the ocean of leaves to hide. MonoChrome tilted his body to follow it but then….
"MONOCHROME! WHAT DO YOU THINK YOU ARE DOING!?" An angry male voice echoed through the air.
Both foals shivered at the shout and froze in place… it was their father and he looked really... REALLY angry.

"What did I said about coming to this forest!? It is dangerous here!" The elder Pegasus scowled the two little pegasi.
"S-Sorry dad, but… but I saw a really beautiful bird and…" Monochrome started to explain while his sister stood in silence.

"No excuses young boy! You will be grounded for a moth for th-"The elder Pegasus started to scowl his son again but something cut his phrase.

Over the horizon a huge explosion happened, sending a wonderful show of colors, like a rainbow. Right after came the sound ten time stronger than a thunder and then… the shock wave. Candy Mane was thrown against the trees but her father managed to grab her. Monochrome didn't have the same luck. He was too young and too weak to overcome the winds and he was thrown against the ocean of leaves, disappearing.

"MONOCHROME!" His father shouted in despair, but he was unable to do anything except watch as his son vanished.

The young foal hit several branches on his way down and landed right in a river that cut through the forest. The waters were really violent and the foal was dragged by it. He started to scream in despair, trying is best to grasp on something to stop his course, but all his efforts were in vain. The flow started to throw the pegasus against some rocks… waves of pain assaulted his body with each hit… The river then started to flow faster and threw Monochrome against one last rock. He smashed his head against it and the whole world dove into darkness.

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Wind Flow flew back to his home, as fast as he could, leaving the young Candy Mane with her mother and then he went back to Everfree forest to look for his son. Hours passed and he wasn't able to find him. The next day came, and a search party was assembled to look for the missing boy. They searched all possible places that Monochrome could be, but it all was in vain. The next day, Monochrome was declared dead.

No pony was more devastated than his young sister, Candy Mane. She simply shut herself and spend a whole month without saying a word. Her parents were really worried with her. In a desperate tentative of making she feel better, they assigned her in some extra classes. Make her busy was the best solution to keep her mind away from the dark thoughts of her dead brother.

Things finally started to work better for her after the second week after she started taking martial arts class. Her teacher found how interested she was in a very simple symbol on the wall. He explained to her about the meanings of that symbol. The Ying Yang represented the harmony between darkness and light, day and night, positive and negative… Two forces that were always moving in harmony.

Black and White were the colors of her brother's mane and tail, and one day she came back home, making an announce that she wanted to change her name… Yin Yang Hooves. The hooves that would always walk the path of balance and harmony and always caring her brother colors. Her parents didn't disagreed at all. At first because they were afraid of her turning into that depressive foal again… But after they got used to it, it all started to make sense.

But time pass, and after years, some wounds tends to heal to the point where you no long can see any scar… The little family moved on, unaware that in truth Monochrome was alive…

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A/N: So, this is just an intro for the next story I'm working on. The whole thing was inspired in a friend's OC and he's helping me with the story. (making suggestions and things like that, since this is his life)
Different from my other stories I plan on making this one clean, so no clops (sorry guys)
As always, I want to see the opinion of my readers! ^^
Next chapter will be posted soon.