Yuko is an innocent high school girl who has a crush on her gym teacher. She and her friends have a sleep-over party which develops into a sexual dare-game involving eels, and a lesbian orgy. Now sexually-awakened, Yuko decides to seduce her teacher, but is raped in an elevator before she meets her teacher.
| Actor | Role |
|---|---|
 Yūko KatagiriHerself(片桐夕子) | Herself(片桐夕子) |
| KKoji SatomiIshida(石田) | Ishida(石田) |
| EEriko ShimaMaki(マキ) | Maki(マキ) |
| KKôji Kai花村 | 花村 |
| RRanko MoritaYûko's Elder Sister(夕子の姉) | Yûko's Elder Sister(夕子の姉) |
| KKenji ShimamuraMiddle-aged Man(中年男) | Middle-aged Man(中年男) |
| KKunio ShimizuWasher-man(洗濯屋) | Washer-man(洗濯屋) |
 Akira TakahashiDriver(運転手) | Driver(運転手) |
| EEi Shirai先輩 | 先輩 |