JAV Porn – Please help Identify these actresses and original JAV from a compilation

This is from the compilation LZBS-061 but I want to identify both actresses and the original source from which it was compiled. This scene also appears in the compilation LZBS-092.

The older woman (teacher or office lady) makes the younger girl squirt simply by punching her nipples and then proceeds to eat up her wet pussy. I really need to find the full scene and the original movie it was extracted from. Please help!