亀田誠治
Ringo Sheena initially intended to create a highly produced, computer-based sound for the soundtrack and went as far as to record some instrumental demos. However, director Mika Ninagawa demanded songs with lyrics, so she decided to record orchestrated versions using Neko Saitō's arrangements, which he had previously written for her concerts. Though she originally intended to make this album with Tokyo Jihen, drummer Toshiki Hata broke his leg and thus only the other band members were able to participate. Ukigumo played guitar on "Gamble" and wrote "Oiran", while Ichiyō Izawa played piano on "Gamble" and Seiji Kameda arranged "Yokushitsu".