Also a quick review of Saaya's IV is that it is one step forward, two steps back.
i sorta see why many would say that. we've seen her semi nude somewhat recently, there have been numerous news outlets delving into and evaluating her idol content, she's seemingly always "lifting the ban". i think people expected a lot more from her saying that cutting her hair had changed a lot about herself, and were eager to see that expression manifest itself on screen, not just the fact that she simply has short hair now.
i suppose to some people, it was just enough and are satisfied with the content, and to others it was slightly disappointing. of course they didn't think she would go full nude, but i think people wanted to see something a bit more risque, maybe even another small slip.
personally, i do want to see saaya in some more revealing garments.
would love to see her try on this one that marina nagasawa wore:
overall, i enjoyed the video. i feel the short hair doesn't suit her in some of photos i've seen since then, but she looks great in the IV. still nice bikinis and outfits, but ahh what a tease!