Julia is one of the supporting main female protagonist, throughout the Seraph of the End: Vampire's Domain series. She is the second vampire to come of existence in the Apocalypse world thus making her the strongest after the first-progenitor. She is a true blood vampire who resides in Nyxis with her father. She is the biological daughter of the first-progenitor and adopted older sister to Krul and Ashera Tepes.