Mayumi and the other students are suspected of cheating and put in the torture room, where a device is waiting on them. However, this is all a ruse to make Kekko Kamen appear!
| Actor | Role |
|---|---|
 Chris AokiKeiko Natsuwata / Kekko Kamen | Keiko Natsuwata / Kekko Kamen |
| RRie NakanoMayumi Takahashi | Mayumi Takahashi |
| HHajime TsukumoSatan's Toenail | Satan's Toenail |
 Mirei AsaokaKoichi Omote | Koichi Omote |
| CChika MatsuiKaori Wakatsuki | Kaori Wakatsuki |
| KKenji YamaguchiBondou | Bondou |
 Go NagaiProfessor Kimio | Professor Kimio |
 Jiro DanViolence Jack | Violence Jack |
 Akira ŌizumiVice-principal | Vice-principal |