Do it now, or regret it later

This is a Naruto Kingdom AU. The Uchiha destroyed the Uzumaki Kingdom during a war, and Hinata being the best mage (tasked to protect the royal family) flees with Naruto to the Haruno kingdom where Naruto's fianceé hides them, his fianceé being Sakura Haruno the best medic and princess known in their world. However, during war circumstances, they can not be wed. Hinata struggles with protecting the last living royal family of the Uzumaki bloodline and hiding her feelings for Naruto which she has had for years. As the war continues an end is not in view, how will things progress for these three?