Yumiko Shaku (釈由美子, Shaku Yumiko, born June 12, 1978, in Tokyo) is a Japanese actress, model and former gravure idol. She is represented by Tommy's Artist Company. Yumiko Shaku (釈由美子, Shaku Yumiko, born June 12, 1978, in Tokyo) is a Japanese actress, model and former gravure idol. She is represented by Tommy's Artist Company.