Bun

If you're looking for something on the softer side and for longer sessions, this is a pretty good onahole to fit that niche.

Compared to its predecessor, it sports a much softer material, is able to hold in lube better, but the stimulation is much more dull. Which may or may not be something you're after. It still has an intensity to it, but it's a very blunt one.

Also coming from the Fuwa Toro 2000
These are incredibly soft and the hefty base, while floppy and annoying to handle sometimes, does add a lot to the experience.
However they do have a couple faults worth mentioning.

The outer layer, while great to feel, is pretty delicate like your average soft onahole. The material gets thinner on the sternum area, which makes it prone to micro-tears, especially with the base being incredibly floppy. You will also definitely want to trim your fingernails to avoid potentially causing indents on that outer layer also. But none of these issues really affect the overall experience of fondling and performing paizuri too much. You'll just want to be a little bit extra careful if you want this toy to last. The toy has one of the more harsher odor problems, but it's nothing overbearing and does fade overtime.
This next issue may or may not affect you, but on the unit I recieved, one of the nipples started to come cleanly off due to not having bonded properly the rest of the toy. But some research into sex doll repair, and I have managed to find a way to fix the issue with only some minor blemishes due to my inexperience.

That said, I still highly recommend these toys if you're looking for a soft breast toy. They're just too fun to play with, and these issues only really stop these from being a perfect breast toy.

It's a pretty solid onahole at this price point. The texture is okay, the first half is great but the second half leaves a bit more to be desired, it kind of just fades into white noise. One flaw worth mentioning is that depending on your lube and how you use it, this toy might leak a lot on you.

Not a perfect onahole by any means, but it's a pretty solid one.
In short, it's a soft mellow texture, but an average firm tightness, and a couple minor issues.

The onahole has all the pros and also all the cons that come with soft and hard toys. Internals give you a mellow but still stimulating experience. The harder outer layer definitely makes the firmness feel a bit tighter compared to any other full on soft toy, making it more on par with the average onahole firmness.
As for some of the shortcomings, the macaron structure means it doesn't wrap fully around and so that "cream filling" part makes it possible to jab through the soft materials instead of going through the actual hole due to the interal design, and the onahole has a tendency to leak out a lot of lube depending on how you use it/what lube you use. The internals flabs themselves are also on the flimsy side, I managed to rip out one after a couple uses, but it barely changed the overall stimulation.

Easily one of the best accessories you can buy yourself for your onaholes.

Compared to other non-sex related plush toys, the build quality to price ratio is really solid, and as an onahole accessory it's amazing. Obviously it's not the same as an actual hip toy, but being a plush comes with a bunch of other benefits like being way easier to maintain and not needing to be warmed up when its cold outside. But if you're looking for something to satisfy any specific butt fetishes, this might not scratch your itch. Although I would still highly recommend considering this product as an alternative.

As for all the features, I'm a medium-small height person, and handling the zipper feature to make it easier to insert onaholes is pretty seamless for me, but I can imagine larger individuals having a slightly harder time sticking their hands in. Being a plush, the legs are fixed but have plenty of flex to them to accomodate most positions. From what I can tell the stiching is pretty solid, I have not had any issues, but if it does rip, it seems like it'll be pretty easy to sew back as well. The drawstring and tightness of the inner part that holds your onahole also has an added benefit of compensating for onaholes you have that might be torn or loosening up.

Also a couple other things worth mentioning/repeating from other reviews:
-Wrapping your onahole in a paper towel makes insertion a lot easier
-Stockings can serve as a protective layer