Angela is a maid to the Lord Henry Barymore of Houndsworth, though he treats her poorly in public. Finian initially becomes infatuated with her beauty and seeming gentle kindness...
...until he learns of her true dominatrix personality. She has ties with the organization that killed Ciel's parents, even suggested it might have been her who killed them, and later she is shown to be an angel. Like other members of the organization, she has an obsession of purifying souls filthy with negative emotions, referring to them as Unclean.