Pain - BokuAka

Akaashi never had an easy life. He was a member of one of the important tribes and lived in fear for death all his life. When the army of King Oikawa burned his village down he got captured as one of the prisoners. He tried to escape and got his wing cut off as punishment.
After a long time of being locked up in a cold, small and dark room he leaves with some people his age. He is supposed to be sold as a slave but the King Bokuto has different plans. He wants Akaashi to marry him.