Office lady Kumiko is having an affair with her boss. But when she discovers his wife is an alien, she must learn karate to survive.
| Actor | Role |
|---|---|
 Misaki FujimotoKumiko Fujimoto | Kumiko Fujimoto |
| OOosukaSection Chief Hasegawa | Section Chief Hasegawa |
| KKoichi IshikawaKarate master | Karate master |
| NNichio MiyoshiYūko | Yūko |
| HHidenori YoneokaColleague / Marza | Colleague / Marza |
| TTadashi ItoColleague / Marza | Colleague / Marza |
| MMutsuhito NumataMan on the stairs | Man on the stairs |
 Yoko YamanakaWoman on the stairs | Woman on the stairs |
| YYuto HoriApartment resident / Marza | Apartment resident / Marza |
| AAsuka HaraTV actress | TV actress |
| SShoko SuzukiTV actress | TV actress |
| KKoki NakazawaMarza (voice) | Marza (voice) |
| FFuta KimuraMarza | Marza |
| GGenta SuzukiMarza | Marza |