Ah! The Chair of Demonkind Descends!
Urd deals with her split personality, and ponders the eventuality of becoming a pure goddess. In order to become normal again, Urd resorts to calling the demon queen Hild, who also happens to be Urd's mother!
Aired 28/07/2006EP 17 - Ah! The Chair of Demonkind Descends!

2006
Oh! My Goddess: Flights of Fancy
The song may say "thank heaven for little girls", but who is college student Keiichi Morisato supposed to thank when three honest to goodness Goddesses move in and take over his life? After all, according to most mythologies, relationships between mortals and immortals usually leads to mortifying complications, so we're already talking about an extremely mixed blessing!
(Source: Crunchyroll)