Sakura Taisen: Ouka Kenran
English name: Sakura Wars
Genres: Action, Adventure, Sci-Fi
Type: OVA, Episodes: 4
Aired: Dec 18, 1997 to Jul 24, 1998
Studio: Radix
Source: Game
Rating: PG-13 - Teens 13 or older
Synopsis:
The year is around the 1920's and the darkness of the demons have arrived. Now, only the people with large amounts of spirit energy can save the Earth. The Flower Division is now going to be sent out destroy the demons for they're our only hope for survival with their new steam-powered machines and unique fighting techniques. 

(Source: ANN)