PURPLE (古内東子のアルバム)
A&R:Daisuke Taguchi (tearbridge records)
A&R Desk:Mayu Kasano (tearbridge records)
Artist Management:Tomoko Tanahashi (Mature Films & Music inc.), Yoshihiro “Gucci” Yamaguchi (Mature Films & Music inc.)
Public Relation:Takashi Nagakawa, Yukiko Takai, Takashi Numa, Emiko Nagase, Chihiro Mayumi, Shota Yokoyama, Hitoshi Haga, Hiroko Oriyama (tearbridge records)
Tie-up Coordination:Naohiro Yazaki, Atsuhiko Shimizu and All Tie-up Section Staff (avex management Inc.)
Sales Promotion:Sadao Ozeki, Shinsuke Kato, Wataru Suzuki (avex marketing inc.)
Area Marketing & Promotion:Hirokazu Sato and All AMI Area Staff (avex marketing inc.)
Lyrics:Toko Furuuchi
Music:Toko Furuuchi
Arrangement:Shin Kono
Programming, Keyboard:Shin Kono
Drum:Yasuo Sano
Electric Guitar:Masato Ishinari
Bass:Tomohiko Ohkanda