is almost certainly the video ID number within that series or the actress’s age at the time of release (29 years old was a common marketing age for more mature-audience titles).
Here’s a helpful write-up on — a name that appears to refer to a model or theme from the world of Japanese adult video (JAV). Understanding “Ayaka Oishi Perfect G 29” Ayaka Oishi (also seen as Ayaka Ohishi) is a former JAV actress who was active primarily in the mid-to-late 2010s. She was known for a girl-next-door image with a mature, elegant style. Ayaka Oishi Perfect G 29
refers to a specific video series or label — “Perfect G” typically highlights actresses with a G-cup bust (or a natural, well-proportioned physique) and often features high-definition, polished cinematography. is almost certainly the video ID number within