Diana belongs to Sho, literally! She was the childhood friend of Sho's back when he was in line to become the next King of Doria. She was unhappy with her life as Princess of Doria after Sho's father King Basin, she runs away from home disguised as an man. She leaves Doria only to be captured and forced to become a Slave of the Nomads. Eventually she ends up becoming Sho's Sex Slave