Rias Gremory Langerie

Rias Gremory is one of the female protagonists of High School DxD, who is a girl who appears to be human at first glance, however, she is actually the heir to the Gremory clan after her older brother Sirzechs, who acquired the title of Lucifer. Rias is a high school student at Kuoh Academy, where, without the consent of most students, there are angels, demons, and fallen angels as a good part of its school population.