Girl with Pigtails or Ponytails Studying Anatomy Subject in VHS Porn (1995–2000)

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Hey everyone! I’m trying to track down an old porn movie I saw years ago on a VHS tape, probably filmed between 1995 and 2000. Not sure about the studio—could be Private, Dorcel, or maybe something American like VCA or Hustler. I remember one scene clearly:

• A girl, possibly a student, with pigtails or ponytails, studying something (maybe anatomy) at a desk.
• It takes place in a house, in a study or library—wooden desk, books around, and later they move to a chair (maybe leather).
• The guy is middle-aged, tall and sturdy, a dark-haired brunette with a beard and a slightly hairy body, wearing a grey three-piece suit. He pulls out his penis and offers her to "study" it live instead of from books.

Does this ring a bell for anyone? Maybe the title or the actors? I don’t recall the language—could’ve been dubbed or in English/French/Italian originally. I’d really appreciate any hints—title, studio, or where to look! Thanks a lot!