Kimihiko Onizuka is a salaryman infatuated with maiko (apprentice geisha) and whose greatest goal in life is to play a party game called "yakyuken" with one.
| Actor | Role |
|---|---|
 Sadao AbeKimihiko Onizuka | Kimihiko Onizuka |
 Ko ShibasakiFujiko Osawa | Fujiko Osawa |
 Shinichi TsutsumiKiichiro Naito | Kiichiro Naito |
 Saori(Sister) Komako (Geisha) | (Sister) Komako (Geisha) |
 Kotomi KyonoKoume (Geisha) | Koume (Geisha) |
 Wakana SakaiMamefuku (Geisha) | Mamefuku (Geisha) |
 Shirō ItōSuzuki Taikai (President of Suzuya Ramen) | Suzuki Taikai (President of Suzuya Ramen) |
 Takayuki YamadaStudent on field trip (cameo) | Student on field trip (cameo) |
 Miki MayaNot listed | Not listed |
 Midoriko KimuraNot listed | Not listed |
 Koji OhkuraNot listed | Not listed |
 Katsuhisa NamaseNot listed | Not listed |
 Kenta SugaNot listed | Not listed |
 Mr. OkureNot listed | Not listed |
 Yuki HimuraNot listed | Not listed |
 Kazuki KitamuraNot listed | Not listed |
 Hitoshi UekiNot listed | Not listed |
 Katsumi KibaNot listed | Not listed |
 Kazuko YoshiyukiNot listed | Not listed |