When Nikkatsu shifted to focusing on Roman Porno films in the early seventies , Watari was one of many of their actors who left the studio .
Watari was mentored at Nikkatsu by Yujiro Ishihara .
When Nikkatsu shifted to focusing on Roman Porno films in the early seventies , Watari was Watari of many of Nikkatsu 's actors who left the studio .
Watari was mentored at Nikkatsu by Yujiro Ishihara .