Kanzen Shouri Daiteiou
Japanese title: 完全勝利ダイテイオー
Alternative titles: Kanzen Shouri Daiteioh, Eldran series #4
Type: OVA
Source: Original
Episodes: 1
Status: Finished Airing
Aired: Dec 22, 2001
Duration: 7 min
Rating: PG - Children
Studios: Sunrise
Genres: Action, Adventure, Sci-Fi
Themes: Mecha
Demographics: Kids

When an alien force attacks Earth, a giant sword falls onto the campus of Paradise Elementary School, transforming it into a flying vessel. The fate of the planet lies with one group of kids who must pilot powerful mecha to stop the invaders before it's too late!

(Source: Anime-Planet)

Note: Originally planned as a TV anime series, this ended up as a promotional video for its manga serialization on magazine Monthly Daiteioh.