Once in a life Fate can also make a mistake

In this Universe everyone born with a name on his wrist. The name can be green, red or black. Sky was so excited to meet his. But then everything went wrong and the name on his wrist become a burden. Twelve years old Sky thought get to know the truth behind the colors was the worst thing happened to him. Later he know that he was very wrong about it. The worst come later and he wished he was that joyful child again he used to be.

(I'm also sharing this story on AO3)

When I was a teenager I run into the soulmate AU ideas in tumblr, and always wanted to write my version of it. Mostly follow the series but there are addicional changes. Sky centered. The story is not details Phayu and Rain's relationship just as much as they interfere with Sky and Prapai.
I don't know the full name of the characters so I used the actors name instead.
English is not my native language so if you find any mistake feel free to tell me.
I hope you like it and tell me your opinion. :)