Joou no Hana, Akatsuki no Yona Recommendations
A strong princess who is has an excellent character and a good heart is forced to leave her kingdom. Both of them are not fluff shoujo, this is really good and I think male and female readers alike will like this action adventure story. If you like Akatsuki no Yona try this one and you will NOT be disappointed!! These princesses have to fight for their place in the world and have a lot of enemies among other royalty.
After the death of the protagonist's beloved parent, lives change as the princesses are displaced from their Kingdoms and forced into unfamiliar lands, keeping with them only one loyal subject. They vow to return, revenge fuelling their determination to become stronger. Their only companion puts their lives on the line for the future of this displaced princess, and along the way, develops feelings for her (Though romance is not the biggest theme in either of these mangas). Both princesses are seasoned with using the bow and are confident, headstrong heroines preparing a small army for battle. In Akatsuki no Yona, Yona's heroic deeds bring them
Both female leads are princesses that got chased out of the palace, with a very loyal servant who's secretly in love with them.