Sakura Taisen: Sumire
English name: Sakura Taisen: Sumire
Genres: Drama, Sci-Fi
Type: OVA, Episodes: 1
Aired: Dec 18, 2002
Studio: Radix
Source: Game
Rating: PG-13 - Teens 13 or older
Synopsis:
During a training session, Sumire Kanzaki noticed that her spirit power has dropped tremendously below the levels required to pilot the Koubu-nishiki. She decides to retire from the Imperial Combat Revue while she still holds the position of "top star" in the Grand Imperial Theater. 

(Source: ANN, edited)