List of known characters in the Manhwa.
Setsuna Kashiwagi - The male lead for the story.
Kanna - The White Princess and the elder of the 2 sisters.
Rena - The Black Princess and the younger of the 2 sisters.
Shoko Arima - Classmate of Setsuna and the current master for Hina.
Hina - The cousin to the Oni Princesses
Erionelle - The princess of the rival group, the Zombie Tribe.
Mirei Kashiwagi - the elder sister of Setsuna