Lan Asuka
She is a secret agent intent on stopping devil beasts. She is Jun's Love Interest. She used to be a male named Ran Asuka and is actually the Male Half of Satan with the Female Half being Jun Fudo. Later on Lan Asuka reverted to male to have sex with Jun thus bringing birth to a reincarnated Devilman. Lan Asuka later merged with Jun and Satan becomes whole again.