Just looked around again, and the only thing I can find is a short gif that I think is from the video:
Reverse image searching leads me to believe the video title was "Miki Hamano Can't Keep it Straight," and I found a dead vimeo link.
Catalogue shoots pay good money for relatively simple work, in comparison to bigger brands and editorial shoots. It's a good way to build some portfolio and experience while also giving yourself the time to study.
One of her instagram captions says the following:
Good for her. Sounds like she's been trying for a while so it's nice to see she's happy. I wish her well.
I do not think that there is a strict criteria for which of those body types is "better." To me, "perfect" in regard to bodies is a spectrum. There is no single perfect body, and no single body is perfect for everyone.