Azazel Ameri is the student council president of Babyls. She is one of the few demons convinced that humans exist despite them only being a myth in the Netherworld. Her theories are confirmed when she realizes Iruma to be one. After the Deviculum, Ameri is currently one of the candidates to become the next demon king.
Eventually, it is revealed that Ameri is actually a hybrid being born from the union of a human mother and a demon father.