Ryutaro Oka
- Acting
Known for
Filmography
- Kyûkyoku onanii: Okumade marumie · Shotaro Tanaka
- Beauty Treatment & Sex Beauty Method
- OL jôshi no damashiai
- Inshoku no uranai
- A Gal's Lucky Find
- Joshi daisei: Geki shakaikan massage · Store Manager
- Bondage: The Intoxication of Rope · Detective B
- Love Beast: Steamy Disgrace
- Jôji Hunter
- Girl Mantle Bud Torture