To Be A Princess

After the murder of his older twin sister, Sasuki, Sasuke takes her place as the heir to the Luna Kingdom. No one knows he exists, in order not to raise suspicion, his parents train Sasuke to look, and act exactly like his late twin. His guard Naruto, sent to protect him from the Solis Kingdom, is the only one other person who knows. But his guard is also hiding secrets. NaruSasu.