少女革命ウテナ -蒼の双樹-

Two light novels written by Ichiro Okouchi with illustrations by Chiho Saito, "Shoujo Kakumei Utena: Ao no Soujyu" and "Shoujo Kakumei Utena: Midori no Omoi" expand on material from the television series, with Ao no Soujyu focusing on the first five episodes of the series and Midori no Omoi focusing on Wakaba's Black Rose character arc.