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According to "many" sources? Boy, you must be a lot more up on the JAV scene, Vacuser91, because there is only a tiny handful of places I'm aware of, that is helpful in sorting identifications out.
(Welcome to Akiba-Online, by the way; hopefully you will offer your voice in more than as a questioner in the I.D. section.)
As far as I'm concerned, by the way, "amateur" is an unfitting designation. Once a lady appears in an AV, she is hired and ceases such a classification. How many times have we run into an actress who appears to have been obscure, and then we learn of a pile of movies she has been in otherwise.
In regard to your lady, who appears in the last scene of HUNT-534, the outlook may be a tad grim given that the movie is five years old. 'Course, we never give up hope, and hopefully someone will recognize her... especially if you are sensing her familiairty.
To lend a hand to potential puzzle-solvers, four of the actresses have been pegged, thanks to Sougouwiki; here is the order they have provided:
"Many" was a bit of an exaggeration but its those normal database sites I was referring to. I did stumbled upon sougouwiki in the end and as you said the girl was indeed in the final scene.
Hopefully someone would be able to id her eventually. Regardless, thanks for your help!