Ginza Midnight Story: Utopia 1 (2000)

aka: Ginza Midnight Story: White Flower Bud/Ginza Middonaito Sutōrī – Yutopia: Shiroi Tsubomi/
銀座ミッドナイトストーリー ゆーとぴあ 白い蕾

A geisha in Atami, Haruka Ichijou (Atsuko Sakuraba) is nearly kidnapped and held for ransom by one of the most influential men in the city, but is rescued by the members of a Ginza club called Utopia, who are there on vacation. She then becomes a hostess in Ginza, transforming into a night-time butterfly and then, as her list of conquests grows, becomes one of the most sought-after women in Ginza. Meanwhile, she must protect Utopia in a heroic battle against a corrupt club who’s trying to become Ginza’s new number one! Also with Miyuki Kojima, Wakaba Makano and Sakura Mano. (In Japanese language, with English subtitles).