The official website for Toshiaki Toyoda's Hanging Garden (Kûchû teien) is online. There's a trailer for the movie here, and an English-language synopsis for it there on the website of Pony Canyon K.K. (K.K. Ponî Kyanion). The movie is based on the eponymous novel by Mitsuyo Kakuta. Its principal cast apparently is as follows: Kyôko Koizumi, Itsuji Itao (he plays Masked Takenouchi in Yûdai Yamaguchi's Sakigake!! Cromartie High School - The Movie (Sakigake!! Kuromati Kôkô - The Movie)), Anne Suzuki (Suzuki An), Masahiro Hirota, Sonim (Sonin), Michiyo Ôkusu, Asami Imajuku, Ryô Katsuji (Katsudi Ryô), Yoshitaka Yamamoto, Kiyohiko Shibukawa, Seiroku Nakazawa, Seiji Chihara, Shinsuke Suzuki, Jun Kunimura, Eita (a.k.a. Eita Nagayama), and Hiromi Nagasaku.
Official website for Toshiaki Toyoda's HANGING GARDEN (KÛCHÛ TEIEN)