Rachel Astaroth is the main female protagonist of DxD:Neo. She is a Devil from the Astaroth Clan, a family of formerly all-Pure-Blooded Devils, as well as a Second Year (formerly First Year) at Kuoh Academy, having transferred from the Night-Course to the Day-Course in order to keep an eye on her Knight as well as her first servant, Ken Ichijou. Prior to altering all of the normal students and teachers' memories, she was one of the most renowned students of the Night-Course and held one of the highest test scores in the entire school.