Shuto Osaku is a veteran Japanese adult film actor, approximately 57 years old, who has been active in the JAV industry for years. Performing under numerous aliases including Kazuhiko, Osaku, Kazu, Sven Savage, and others, he frequently collaborates with female performers in a wide range of explicit scenes. His work encompasses genres such as gangbangs, creampies, anal, oral, and various fetishes including fisting and squirting.
Osaku is recognized for his consistent presence in amateur and professional Japanese productions, often featured on platforms like AnalVids and Xvideos where his videos have amassed tens of millions of views. As a male performer of Japanese nationality, he contributes to the diverse landscape of Asian adult entertainment with his experienced performances.