Sinshoku no Nikutubo
male masturbator , a tentacle-themed design by Cyber Iguana.
Magic Eyes , supervised by Cyber Iguana, presents male masturbator ! Made from a new domestic material, PURE SANITY. The interior has a double-layered structure, combining countless wart-like tentacles with vertical folds.
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| Popularity | ８ | |
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| Feeling good | ８ | |
| maintenance | ７ | |
| durability | ８ | |
| Cost performance | ９ | |
| retailers | otonaJP | ||
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| size | Total length: approx. 6.30 in (16 cm) 1.05 lb (475 g) | ||
| Manufacturer | Magic Eyes | price | Check current price at retailer |
| Year of release | 2026 | Material name | PURE SANITY |
| Tightness | Somewhat tough | stimulation | usually |
| odor | I don't mind | Oiliness | I don't mind |
| softness | usually | Inside out | △ |
| kinds | Non-penetrating type male masturbator Wart-type male masturbator Double structure Tentacle warts | ||
In collaboration with Magic Eyes , male masturbator has worked on numerous non-human works to date.Cyber IguanaHowever, after a hiatus of about a year and a half, it has reappeared with a new collaboration model male masturbator .
While the artist has previously produced many works that skillfully incorporate the internal structure of living organisms, the theme of this latest work is tentacles. Since tentacles themselves are a classic genre that has been featured many times before, it doesn't feel as fresh or surprising as usual.
Nevertheless, the packaging remains exceptionally well-executed, and even if the structure itself is somewhat commonplace, it still manages to appear as if it contains something special, largely due to Cyber Iguana's supervision. This isn't necessarily a bad thing; in this world, the key is how to make the product male masturbator itself look big and appealing.
While Punihalcon is well-known as the material used in Magic Eyes , this new model employs a completely new material. That material is a domestically produced material."PURE SANITY"is.
How did Cyber Iguana's supervisory skills, combined with the properties of this new material, transform the commonplace theme of "tentacles" into something so unique? Let's take a closer look.
Cross-sectional view and internal structure of Sinshoku no Nikutubo
The total length is 6.30 in (16 cm).Yes,Insertion length: 5.12 in (13 cm)It's relatively short.
The internal diameter is up to 1.18 in (3 cm), but because the bumps are densely packed, the insertion felt somewhat tight.
The wart-like tentacles stimulate you from all directions, popping and stimulating you.
It has a structure that combines warts and longitudinal folds, so it looks more like a group of wart-like protrusions than tentacles.
I tore it open. Can you see how densely packed the bumps are from this quarter-cut section? The texture is thinner towards the back.
Detailed images of Sinshoku no Nikutubo
This is a picture of the packaging from Nobunaga Toys. It arrived via Yamato Transport.
It does not come in a blister pack; it is in a plastic bag. There is almost no oil residue on the plastic bag. The weight is 1.05 lb (475 g).
At 6.30 in (16 cm) in length, I think it's quite substantial for the price.
The opening is a simple 0.51 in (1.3 cm) round hole. There are vertical grooves on the top and bottom, making it a durable material, but it may tear if turned inside out.
When only partially erect, the inside is narrow and pushes back quite a bit. It's difficult to insert unless you're fully erect from the start.
The vacuum has less internal air, and when the air is removed, the popping sound becomes weaker.
How soft is Sinshoku no Nikutubo ?
List of hardness levels for Hot Powers materials
When trying to convey the softness of a material, simply saying "soft" or "hard" is difficult because everyone has different standards. As an experimental attempt, I would like to use the ability to convey the difference in hardness of materials neatly categorized as Hot Powers .
I possess all hardness levels except for "Oni" (demon), so I will try to convey that this male masturbator is close to that hardness. Even with this method, the toughness and properties differ depending on the material, and the feeling when kneading changes slightly depending on the size of the material, so I cannot say for sure whether I can convey it accurately. I hope you will consider this as just one reference.
When compared to the standard hardness material, the Sinshoku no Nikutubo material feels slightly more elastic.
Compared to the +1 hardness level, which is one level higher, I felt that the softness and elasticity were similar.hard +1I think it's around that rank.
*Material hardness (personal opinion)
Size of Sinshoku no Nikutubo
Regarding the comparison with dildos, I stopped using the dildo I had been using and tried three new sizes.
The previous L size was impossibly large, so I figured it wouldn't be helpful to many people. Therefore, I've prepared three more realistic sizes.
Michinoku dildos come in various sizes, and even the M size can vary considerably. Please note that the sizes displayed here are not the actual product sizes, but rather our own arbitrary size translations. (For example, what we're using as an S size might actually be the old Michinoku M size.)
When I placed a dildo inside, the small size left about the length of the glans, but the medium size reached almost all the way to the back. The large size was too big and pushed all the way through, so I think those with larger penises won't enjoy the insertion length very much.
Review of the Sinshoku no Nikutubo
Although the material is made in Japan, it uses a material called PURE SANITY instead of Punihalcon. Compared to Punihalcon, the surface is very smooth and feels almost oily. It is less soft than Punihalcon, but in return it has a firm, resilient texture.
The body shape has volume around the opening, but the body is cylindrical. At 6.30 in (16 cm) in length and 1.05 lb (475 g), it's an average size for a handheld male masturbator . Despite the male masturbator being quite inexpensive, it doesn't seem to sacrifice any sense of volume.
The entrance is a slightly raised, oval-shaped hole about 0.51 in (1.3 cm) in diameter. One concern is that there are vertical grooves carved above and below the hole, making the entrance seem prone to tearing when turned inside out.
I immediately poured lotion into the male masturbator and attempted to insert it. Since the hole is only about 0.51 in (1.3 cm), it's easier to insert if you apply a little lotion around the entrance as well. I tried to push it in while semi-erect, but the elasticity of the material pushed it back, so I waited until I was fully erect before inserting it.
The inside is a bit tight, but it doesn't have the rough, bumpy feel typical of textured toys, and the stimulation isn't too strong. If you push it in slowly, the sticky inner material clings to you, resulting in a gentler insertion than you might expect.
When you stroke it, the bumps pop and stimulate you as if they're all bursting at once. I was expecting the painful sensation of pinprickly protrusions, but it was a completely different, light and fine popping sensation that tickled around the glans, providing a pleasant stimulation.
The inner material isn't hard, and the protrusions are rounded and not sharp, so there's no prickly feeling, and it's designed to have just the right amount of elasticity for a bouncy feel.
The overall intensity of the stimulation is kept to a moderate level, making it enjoyable even for someone like me who prefers a more relaxed experience. The stimulation is just right, and there's a distinct popping sensation, making it a stimulation that I think will appeal to everyone.
The material's durability is inferior to that of Punihalcon, and the shape of the opening makes it prone to tearing, so it seems best not to turn it inside out. Because of its straight structure, you can reach the back with your fingers if you push it in, so after washing, it's probably best to just wipe the inside with a towel without turning it inside out.
If I had to point out a negative, I personally felt that this one pales in comparison to Cyber Iguana's usual grand concept of recreating the inside of a living organism.
However, while it has a rather ordinary tentacle-like structure, the price is quite reasonable, and I was genuinely impressed by the meticulous craftsmanship, including the packaging.
