UFO Princess Valkyrie 3: Seiresetsu no Hanayome
English name: UFO Ultramaiden Valkyrie 3: Bride of Celestial Souls' Day
Genres: Comedy, Romance, Sci-Fi
Type: OVA, Episodes: 6
Aired: May 25, 2005 to Oct 25, 2005
Studio: TNK
Source: Manga
Rating: PG-13 - Teens 13 or older
Synopsis:
The third season doesn`t have a particular story behind everything (like "Valkyrie Ghost" in the second season). It just tells 6 stories about the life of Kazuto &amp; Co. with some additions: Raine and Chorus get a house on earth, the last three Valhalla princesses each get an episode, and in the last episode Kazuto and Valkyrie, who in the same episode managed to stay adult, &gt;try&lt; to marry again. 

(Source: ANN)