Fudou Jun is a high school teacher who lives with her younger brother, Hikaru. She begins to experience unusual nightmares and violent urges. During a school trip with a group of female students, they are attacked by demons disguised as martial artists. One of the demons violates Jun, and in response, she transforms into a beastial form known as Devil Lady or Devilman Lady. With her newfound powers, she kills the demons and protects the girls. Afterward, a woman named Lan Asuka appears, claiming responsibility for Jun's transformation.
