Planet Ladder Series by Yuri Narushima, Katherine Shilling, Brian Dunn, Nan Rymer, Gabi Blumberg

Orphaned in a war she can't remember, Kaguya is happy with her adopted family. But chaos returns when a mysterious boy tells her of her past as a princess from another world. With her guardian, Kaguya sets out on a journey from world to world to claim her birthright. Courted by some, hunted by others, her destiny is feared by all, for it is her fate to decide which worlds will rule and which shall die.

Book by Yuri Narushima

Orphaned in a war she can't remember, Kaguya is happy with her adopted family. But chaos returns when a mysterious boy tells her of her past as a princess from another world. With her guardian, Kaguya sets out on a journey from world to world to claim her birthright. Courted by some, hunted by others, her destiny is feared by all, for it is her fate to decide which worlds will rule and which shall die.

Orphaned in a war she can't remember, Kaguya is happy with her adopted family. But chaos returns when a mysterious boy tells her of her past as a princess from another world. With her guardian, Kaguya sets out on a journey from world to world to claim her birthright. Courted by some, hunted by others, her destiny is feared by all, for it is her fate to decide which worlds will rule and which shall die.

Kaguya is a quiet orphan who has lived with a Japanese family since she was a little girl. Another boring high school day becomes the adventure of her life when she's mysteriously transported far, far away to a realm of strangers who call her Princess. Now, Princess Kaguya must uncover both her true identity and the motives behind the battling warlords who want to claim her. The universe is a battlefield, and the key to peace may be in the hands of one very special girl.

Kaguya is a quiet orphan who has lived with a Japanese family since she was a little girl. Another boring high school day becomes the adventure of her life when she's mysteriously transported far, far away to a realm of strangers who call her Princess. Now, Princess Kaguya must uncover both her true identity and the motives behind the battling warlords who want to claim her. The universe is a battlefield, and the key to peace may be in the hands of one very special girl.