One day, Yumiko, an office worker, is called in by the managing director. Having been holding in her urge to urinate, she is ordered by the managing director to relieve herself in front of him, and embarrassed, she urinates into a vase. Later, when section chief Suzuki invites Yumiko on a drive, he takes her virginity that same day, awakening her to the pleasures of sex.
| Actor | Role |
|---|---|
 Yumiko TatenoYumiko | Yumiko |
 Yuri YamashinaJunko | Junko |
 Aoi NakajimaYasuko | Yasuko |
| TTatsuya HamaguchiMorishita | Morishita |
 Morio KazamaKondô | Kondô |
| MMasakazu KuwayamaManaging Director Kitagawa | Managing Director Kitagawa |
| TTeruaki SatôMr. Suzuki | Mr. Suzuki |
| JJōji SawadaNakamura | Nakamura |
| EEi ShiraiSection Chief | Section Chief |
| YYoko OyanagiNot listed | Not listed |
| MMasuo KinugasaNot listed | Not listed |
| TTakashi NomuraNot listed | Not listed |
| KKensuke TamaiNot listed | Not listed |
| EEi ShiraiSection chief | Section chief |
| MMamoru TsuyukiNot listed | Not listed |
| TTamaki KomiyamaNot listed | Not listed |
| RRyoichi SatoNot listed | Not listed |
| HHomare IkedaNot listed | Not listed |
| SShoko SakamakiNot listed | Not listed |