UFO Princess Valkyrie 4: Toki to Yume to Ginga no Utage
English title: UFO Ultramaiden Valkyrie 4: Banquet of Time, Dreams, and Galaxies
Japanese title: 円盤皇女ワるきゅーレ 時と夢と銀河の宴
Type: OVA
Episodes: 2
Source: Manga
Genres: Comedy, Romance, Sci-Fi
Studios: TNK
Producers: Media Factory, KlockWorx, Toshiba Entertainment
Duration: 24 min per ep
Rating: PG-13 - Teens 13 or older

The strange and magical events of the last season have left Kazuto with two Valkyries. He now finds himself living with and looking after both a teenaged-princess Valkyrie, as well as the child-princess Valkyrie! And they still have not yet gotten married...

(Source: AniDB)