Terajima Mikako became a boys volleyball team coach at a junior high school she has been assigned to. As an incentive for the team members who do not show the slightest enthusiasm, she promises to show them her boobs if they win a game.
| Actor | Role |
|---|---|
 Haruka AyaseMikako Terashima | Mikako Terashima |
 Munetaka AokiKazuki Jo | Kazuki Jo |
 Toru NakamuraKenji Horiuchi | Kenji Horiuchi |
 Takuya IshidaVolleyball senior | Volleyball senior |
 Suzuka OhgoMikako (young) | Mikako (young) |
 Seiji FukushiMikako's ex-boyfriend | Mikako's ex-boyfriend |
 Ken MitsuishiHead Coach | Head Coach |
 Hiromasa TaguchiRyuo | Ryuo |
 Yoshie IchigeWife of Mikako's mentor | Wife of Mikako's mentor |
 Haruki KimuraIkuo Hirata | Ikuo Hirata |
 Kento TakahashiYasuo Kusunoki | Yasuo Kusunoki |
| YYoshihiro TachibanaYoshiki Jo | Yoshiki Jo |
| MMasaki HonjōKengo Sugiura | Kengo Sugiura |
| RRyûichirô MegumiTaku Eguchi | Taku Eguchi |
| TTakuya YoshiharaKohei Iwasaki | Kohei Iwasaki |
 Fujiko KojimaRie Kusama | Rie Kusama |
 Katsuya KobayashiTeacher Harada | Teacher Harada |
 Rina SaitoNot listed | Not listed |