Irene Urzaiz

Оригінальне ім’я: イレーネ・ウルサイス

Rank 3 of Rewolf Black Institute. She wields the Gravisheath~!, until Ayato destroys it in their battle,!~ which influenced her fanged teeth allowing her to suck blood to power her ogre lux. She puts her sister Priscilla above all else.