Kung-Fu Girl Juline

From Tokyopop: In a faraway village, in a magical land, live Juline, Bakuya, and Seika, daughters of the top three martial-arts schools. Join them on a quest to uncover the mystery of the Black Pearl, a new clan shrouded in shadows. Juline and the other clan leaders face a new threat in the form of the Black Pearl Guardians. Who are these mysterious warriors, and what is their link to the princesses' past?