Jun's former rival. She had a poor upbringing and unintentionally allowed for her schizophrenia to form into a separate demonic entity. Later on she becomes a Devilman for the Human Alliance. In the anime adaptation, she is former love interest of Jun who succumbed to the DB syndrome. A gifted swimmer, she met Jun when she was still at highschool, where she attempted to gain a first kiss from her future-slayer, which caused Jun to push back, and the incident ruined Aoi's swimming career. (Source: Devilman Wiki)