Cofun Gal no Coffy: Okehazama no Tatakai
English title: Tumulus Gal Coffy: The Battle of Okehazama
Japanese title: 古墳ギャルのコフィー　～桶狭間の戦い～
Alternative titles: Cofun Gal no Coffy Movie 1
Type: Movie
Source: Unknown
Episodes: 1
Status: Finished Airing
Aired: Mar 17, 2007
Duration: 16 min
Rating: G - All Ages
Genres: Comedy
Themes: Historical, Parody

Coffy, Daniel, and Okehazama-sensei accidentally entered the Forbidden Room behind the school building of Tumulus High School. When they managed to get out, they realized they had slipped back in time! Why did Okehazama-sensei become a fallen soldier? The truth behind the famous Japanese historical event, the Battle of Okehazama, is revealed!