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1
Design
Packaging, theme and specs
Let’s start with the packaging. Well-Rounded Girl Max-Soft comes in a pink box featuring a plus-sized anime character with long pink hair in underwear. The theme and name suggest that the toy is as round and soft as the character. The packaging design is actually well done, but the toy itself… well, it looks uninviting—kind of like a lump.

SeirakuToys advertised this as one of the softest onaholes on the market, with a special material that’s supposed to be ultra-soft while also being non-oily and non-sticky. While I appreciate their effort in pushing innovation, I wouldn’t call this one of their biggest successes. It’s true that the material barely has any oiliness and doesn’t get sticky at all, but the softness is inconsistent throughout the toy—something I’ve never seen before. The tiny butt cheeks at the front are super soft, but as you move further in, the material gets noticeably firmer until it becomes really firm at the end.
Another issue is the lack of stretchiness, which is a huge factor in soft onaholes. Because of this, I honestly wouldn’t even classify it as a soft toy. If you’re looking for something truly soft and smooth, XTC-Japan’s Step-Sister’s Secret Relation is a much better choice. And if you want a larger, more realistic big booty toy, Puni Girl Stella is the way to go.






Well-Rounded Girl Max-Soft is from SeirakuToys and was released in late 2024. Measuring 160mm in length with a tunnel length of ~120mm, this onahole weighs a good 520g. It features two closed-holes and is made with a material they call SuperSoft (but I’m not very convinced). It’s single-layered and is non-oily and non-sticky.
Brand | Release date | Length | Inner length | Weight | Holes | Material | Style | Layers | Special feature |
---|---|---|---|---|---|---|---|---|---|
SeirakuToys | Late 2024 | 160mm | ~120mm | 520g | 2 closed holes | SuperSoft? | Anime | 1 Layer | non-oily, non-sticky |
2
Feeling
Outer Skin
At first touch, the outside of Well-Rounded Girl Max-Soft feels promising. The weight and size are well-balanced, making it comfortable to hold. However, the overall look of the toy is… questionable. The uneven folds and lumpy shape make it appear more like an overinflated balloon that deflated rather than the plush, round softness it was likely aiming for.
I think I see what SeirakuToys was trying to achieve—a plump, squishy, soft onahole with a rounded, inviting shape. And if they had pulled it off, it could have been amazing. Something like Puruman Angel would have been an ideal execution. But instead, it feels like they missed the mark.
That said, the skin detail at the opening is actually quite nice. Also, the promotional images suggested a dual-layered structure with a firmer pink interior, which I usually don’t like. So I was relieved to find out it’s actually single-layered.
Softness-wise, this one different than most. The butt area is quite soft, around “-1” on the softness scale, but as you go deeper, the firmness increases. By the end of the tunnel, it’s surprisingly firm “+1” on the softness scale—which is definitely not what I’d expect from something marketed as “Max-Soft”.



Vaginal Tunnel
Now, let’s see if the inside truly lives up to the “Max-Soft” name.
Insertion starts off pretty good. The entrance texture is actually nice and even reminds me a bit of Yuka Ona Shiki Zero, my only 10/10 onahip. The initial sensation is fairly intense, which was a surprise. But then… we hit a major roadblock.
A suction chamber sits at the back of the tunnel, and it’s completely impenetrable. At first, I assumed it was a cervix gimmick, like many of my favorite onaholes have. But this one is so narrow with such a tiny opening that there’s simply no way to get through. I tried increasing the suction by collapsing it, but it made little to no difference. This design also shortens the usable tunnel length, which is a huge disappointment.
Stretchiness is another weak point. It seems that in making the toy less oily and more durable, SeirakuToys sacrificed a lot of flexibility. The material simply doesn’t stretch as much as soft toys do. That could be a plus for those who enjoy a firm grip, but personally, I prefer soft toys to have more give.
On the bright side, the suction is quite strong, creating a solid vacuum effect. But unlike what the branding suggests, this toy is actually pretty intense—I’d rate it +2 on the intensity scale.



Anal Tunnel
The anal tunnel is a mixed bag. The ribbed spiral texture is well-designed, but like with most handheld toys, there simply isn’t enough space for it to be fully effective. The tunnel is too short, and the walls are too thin, so it doesn’t deliver the depth or sensation that a good anal tunnel should.
The opening is very tight, and the anal canal is tighter than the vaginal one. If you’re into extra tight anal tunnels, this might be a nice bonus. But for me, it didn’t feel too enjoyable.
3
Care
Cleaning:
Wash with mild saop and water. Flipping this one would be super difficult, so just use a cleaning spong-stick or your fingers.
Powdering:
To keep your onahole from getting sticky, apply a light coat of onahole powder or plain cornstarch. Brush off any excess, and it’ll feel just like real skin! But this one barely gets oily at all.
Storing:
Store your toy in a cool, dry place away from direct sunlight. UV rays can damage it, moisture can lead to mold, and heat can warp its shape. Over time, onaholes naturally lose some of their oils, which makes them firmer. This process happens faster if they’re in contact with materials like cotton, paper, or wood, which absorb oil. To minimize this, use a breathable plastic bag or container for storage.
Durability:
At first glance, the material feels more durable than most soft onaholes. That’s mainly because it’s not actually that soft—firmer materials tend to hold up better over time. However, the lack of stretchiness combined with the very small tunnel openings led to my toy showing its first tears after just the second use. But as usual, with gentle care your onahole will last for years.

4
Rating
Wasted potential. I’m giving the Well-Rounded Girl Max-Soft an unfortunate 5.5 out of 10. I really like the concept behind this toy—if it had been executed well, it could have been a great addition to my collection. If it was marketed as a regular firmness onahole with a more intense sensation, I might have adjusted my expectations and rated it higher.
Unfortunately, it’s just not for me. However, I’ve seen others give it great reviews, so if the concept interests you, it might still be worth a try. Especially if you’re looking for a non-sticky, oil-free onahole—there’s really nothing else quite like it.
Pros
Cons
Recommended for you, if…
– You enjoy intense onaholes
– You want two holes in one onahole
Not recommended for you, if…
– You prefer very soft toys
– You’re looking for a very mild stimulation
Thanks so much for reading my review! Well-Rounded Girl Max-Soft was sent to me for free, and I’m really grateful for it!
If you enjoy my reviews and want to support me, please consider clicking on my affiliate links before ordering. It won’t cost you anything extra, but it makes a big difference for me and helps me continue reviewing onaholes.
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