UFO Princess Valkyrie 2: Juunigatsu no Yasoukyoku
English title: UFO Ultramaiden Valkyrie 2: December Nocturne
Japanese title: 円盤皇女ワるきゅーレ 十二月の夜想曲
Alternative titles: UFO Princess Valkyrie - December's Nocturne, UFO Princess Walküre 2
Type: TV
Source: Manga
Episodes: 12
Status: Finished Airing
Aired: Oct 4, 2003 to Dec 20, 2003
Broadcast: Saturdays at 01:15 (JST)
Duration: 23 min per ep
Rating: R+ - Mild Nudity
Studios: TNK
Producers: Media Factory, KlockWorx, Toshiba Entertainment, Omnibus Promotion
Licensors: ADV Films
Genres: Comedy, Romance, Sci-Fi

Valkyrie, Kazuto, Akina, Hydra, and friends are back for more when the Key of time suddenly appears along with many other mysterious happenings. All seemed to be linked to a person named "Valkyrie Ghost" whose only goal is stealing Kazuto for herself. As they team up against this seeming unbeatable foe they dig deeper into the mysterious past of Valkyrie's home planet, Valhalla.

(Source: ANN)