What makes an ass stroker feel different from a pussy stroker? The main difference is the entry. An anal-style stroker is molded with a smaller, firmer opening, so there is more resistance as you push in and more pressure around the shaft as you move. Haruka's opening measures just 0.2 inches at rest, the narrowest in the Hentai Fantasies trio, and it stretches as you enter. The tighter entry also holds air back on the outward stroke, which creates a mild suction effect inside the tunnel.
Haruka: a tight-entry vibrating ass stroker
Haruka is the anal-style model in the Hentai Fantasies line of cased strokers. Its TPE sleeve is soft and stretchy, with detailed texture along the inner tunnel and a deliberately narrow 0.2 inch opening that raises the pressure on entry. The case is 7 inches long and 2.9 inches wide, and the tunnel takes up to 4.9 inches.
A removable bullet adds three speeds and seven patterns, and the distributor describes the motor as quiet. The sleeve releases from the case for cleaning. The stroker carries an IPX6 water rating for shower use, and the materials are phthalate-free.
Best for: Suited to men who prefer a snug stroker with strong grip over a loose, gentle one. The tight entry asks for generous lubricant and a slow start. The compact case is easy to store out of sight, and the quiet bullet helps in shared homes.
At a glance: 0.2 in tight opening · 3 speeds + 7 patterns · Removable TPE sleeve · IPX6 waterproof
Key features
| Tighter opening |
A 0.2 inch entry stretches as you enter and gives firm pressure with a light suction feel. |
| Textured inner tunnel |
Detailed texturing inside the sleeve adds stimulation on every stroke. |
| Removable bullet |
Three speeds and seven patterns run from a gentle buzz to stronger vibration. |
| Easy-release sleeve |
The sleeve comes out of the case so it can be washed and dried thoroughly. |
| IPX6 water rating |
Stands up to shower spray and rinsing under the tap. |
| Phthalate-free materials |
The TPE sleeve, ABS case and silicone parts are phthalate-free. |
Specifications
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Case length: 7 in
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Case width: 2.9 in
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Insertion depth: 4.9 in
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Opening diameter: 0.2 in
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Vibration: 3 speeds, 7 patterns
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Water rating: IPX6
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Materials: TPE, ABS plastic, silicone
How to use
Wash the sleeve in warm water and dry it before you use it for the first time. Because the opening is very narrow, be generous with water-based lubricant: work some into the entrance with a fingertip and coat yourself well. Press in slowly and give the TPE a moment to stretch. Use short strokes at first, then lengthen them. Turn the bullet on at the lowest speed and build up, or cycle through the patterns. Reapply lubricant whenever it feels dry. Release the sleeve from the case afterward and wash it.
Care
- Use water-based lubricants only; other types can damage TPE.
- Release the sleeve from the case and wash it with warm water and a toy cleaner or mild soap.
- Pat everything dry thoroughly, then let all the parts air dry completely.
- Do not boil the sleeve or put any part in a dishwasher.
- Store it in a cool, dry place.
More on materials in our material safety guide.
Frequently asked questions
Is a 0.2 inch opening too tight?
The figure is the opening at rest. The TPE is soft and stretches to let you in, but the entry is noticeably snugger than on the other two models. Use plenty of water-based lubricant and go slowly the first few times.
How does Haruka compare with Asuna and Mochi?
Haruka has an anal-style entry and the smallest opening of the three at 0.2 inches. Asuna and Mochi have vaginal-style entries of 0.6 and 0.5 inches. All three share the 7 inch case, the 4.9 inch depth and a bullet with three speeds and seven patterns.
Can it go under water?
The stroker is rated IPX6, which is protection against strong spray, so it is fine in the shower. The distributor also calls it submersible, but IPX6 is not an immersion rating, so avoid leaving it under water.
Is it loud?
The distributor describes the motor as whisper-quiet but gives no decibel figure. The bullet sits inside the case and the soft sleeve, which dampens the sound further during use. Lower speeds are quieter still.
How deep is the tunnel?
The insertion depth is 4.9 inches inside a 7 inch case. That suits short to average lengths. Longer users can still enjoy it with partial strokes, since the tight entry does much of the work.
Get Haruka today
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For adult use only. Read the instruction manual before first use. Specifications are the manufacturer's.
