Rokuro, a penniless student living in a run-down apartment, gets a surprise visit by the beautiful and quite mysterious Mamiya Yu. For some reason she has hopelessly fallen for this no-good pervert. As it turns out she is actually the daughter of a very wealthy Japanese family. Considering Rokuro's background, he cannot believe his luck... but not all is as it seems. This rich family seems to be a lot more perverted than even Rokuro could have imagined...
| Actor | Role |
|---|---|
 Naoko MatsuiYuno Mamiya (voice) | Yuno Mamiya (voice) |
 Ryo HorikawaRokurou Chikanaka (voice) | Rokurou Chikanaka (voice) |
 Masako IkedaSakurako Mamiya (voice) | Sakurako Mamiya (voice) |
 Junko HoriChiyo Mamiya (voice) | Chiyo Mamiya (voice) |
 Yusaku YaraSeiichi Mamiya (voice) | Seiichi Mamiya (voice) |
 Urara TakanoRanko (voice) | Ranko (voice) |
 Joji YanamiShigezo Mamiya (voice) | Shigezo Mamiya (voice) |
 Emi ShinoharaHiromi Mitsui (voice) | Hiromi Mitsui (voice) |
 Ikuya SawakiSecurity (voice) | Security (voice) |
| KKayoko KawaharaMaid (voice) | Maid (voice) |
 Noriko Ohara21st Century DJ (voice) | 21st Century DJ (voice) |
 Tomohiro NishimuraDoctor (voice) | Doctor (voice) |
 Yoshino TakamoriMinako (voice) | Minako (voice) |
| HHideki NodaVoice | Voice |
 Hitomi SatoVoice | Voice |
| KKazuhiko HasegawaVoice | Voice |
 Sakurako AkinoVoice (credited as Sakurado Hosho) | Voice (credited as Sakurado Hosho) |
| SShizuka MiuraVoice | Voice |
| SSunplaza NakanoVoice | Voice |
 Terumi YoshidaVoice | Voice |