Sky

Sky is princesses of a neighboring kingdom and is on a diplomacy mission to arrange a peace treaty with the King of Nerwin, On the way she and her guards were attacked by a group of burglars. After the attack, all of the burglars were killed along with almost all of her guards except Light. Gold allowed her and Light to join the group and they would protect her with no pay need, of course, Cobalt didn't approve of this but he was outvoted.  

Sky is an empathetic character with a kind heart that helps others the others in battler.