Her name is Asako Shirai (白井浅子) . It looks like the scene is probably from PA-910 though since I don't have that movie I can't be 100% sure.
http://m.searchbros.com/en/star/2om
http://m.searchbros.com/en/movie/1pe6
PA-910 Forty years old (yosoji) Chapter 6, 58 minutes, heavily censored.
Extracts it seems are also in GESD-108, GD-96, HRD-07 which all appear to be compilations of clips.
GESD-108 Eroticism Mature Woman is 12 people +1 by leading thoroughly
HRD-07 For forty years old fifty years of age age of sixty seventy years old 40 people 240
GD-862 For 2 4 collection of forty years old masterpieces Kanzemban works 240