I am Uterus Okunomiya Kobukuro Onahole Review

The I am Uterus Okunomiya Kobukuro is a premium handheld male masturbator by the Japanese adult toymaker, Hot Powers. It is themed on the novel, yet surprisingly popular amongst onaholes, idea of penetrating a uterus (uterus-fetish). While the theme is popular with other makers releasing at least one or two toys with the theme, this is the first uterus-fetish toy from Hot Powers, that I’m aware of at least. 

I’m a big fan of Hot Powers. They have their own unique style, and they’re always trying something new, plus they have a quirky sense of humour and are quite open to sharing behind the scenes looks at the Hot Powers sex toy factory, allowing us to see what the staff are up to and how their toys are made – as can be seen on their Twitter profile. They also make some great toys, two of my personal favourites that I’ve reviewed are the Zuritte Oppai Chichifueta Rocket huge breasts and the Kunoichi Immoral Law Wild Vagina Bero Onahole

The overall presentation of the I am Uterus Okunomiya Kobukuro is very nice. The box is adorned decorated with an excellent illustration of an extremely busty and naked babe. She looks a lot like Yemeko from the gambling anime, Kakegurui. I don’t know if it’s intentional or not, but the resemblance of facial features and hair colour is uncanny. Yumeko is very hot though, so this is really not a bad thing and just adds to the fantasy factor of this onahole. 

Inside the box, the pocket pussy itself is wrapped in a clear plastic bag. The toy has a fairly simple exterior design, with a few grooves for grip and comes in a light pink material. The onahole is slightly wider at the front with a sort of dome design surrounding the entrance hole. 

The I am Uterus Okunomiya Kobukuro has a slightly oily exterior when you first take it out of the box which gives it a bit of a smell, but it’s nothing too strong. The oil will soon wear off after a couple of uses and washes, at which point, you may want to start adding your own maintenance powder or oil if you want to keep using the toy over a long period – or at least wash it gently with just warm water. 

The entrance hole is a simple and plain circle. It is also rather small, but the stretchiness of the materials makes lubricating and cleaning the onahole easy enough. Getting into the toy is also easy once sufficient lube has been applied.

As soon as you get inside, you’ll appreciate the fact that the entrance hole is so small and tight. It adds to the overall sensations you get from using the toy with a nice stroking stimulation. 

The I am Uterus Okunomiya Kobukuro is a mid-price range toy, but it is very well made. It’s a single layer toy, so that same pink material is also inside making up the inner tunnel. As you push through the entrance hole, there is another slightly tighter hole behind it, and behind that, there is a tube with outer walls covered in protruding ridges throughout. About two thirds into the tunnel, there is yet another tight hole. This hole leads to a larger chamber which makes up the “uterus” of this toy. Inside this uterus, there is another shorter tube which also has textured outer walls. At the very end, there is a small pocket which envelops the head of your member when you push right to the end. 

The tunnel is also considerably long for a Japanese onahole. I’d say about six inches deep, and combined with the stretchy and expandable materials, it has the potential to accept a lot more length. 

The I am Uterus Okunomiya Kobukuro is quite enjoyable. There’s a lot going on in the inner tunnel and it all combines to add a decent level of stimulation. Not mind-blowing, but very good. The build quality is also auperb. The toy is not much to look at, and it looks deceptively average, but the materials are strong, durable and superb at stimulating penises. The outer box design is also great. 

The fact that you can get a level of stimulation comparable to more expensive onaholes, and a toy that will last you a while with proper care, the mid-price range I am Uterus Okunomiya Kobukuro is a solid option – And just another reason why Hot Powers are one of my favourite makers, who frequently put out superb onahole more often than not. If they continue releasing toys like this, they’ll be one of the bigger players in the Japanese sex toy industry soon enough.

The I am Uterus Okunomiya Kobukuro is available at otonaJP (affiliate link). 

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