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The legendary “ Onatsuyu Lubricant” — Japan’s most recommended lube for R-20 and masturabation cup users. This Onatsuyu Lubricant is specially designed for use with masturbators, especially the iconic R-20. It offers a softer, more sensitive texture to help you feel every detail inside the cup.
Free SF Express shipping upon HK$300 purchase on order
Free same day delivery upon HK$1,200 purchase on order
Free door-to-door delivery upon HK$1,200 purchase on order
Free Shipping to Taiwan over HKD800 on order
Free Shipping to Macau on order
Get a free Wet Stuff Ultra Family Water-Based Lubricant (Value: $128) with any purchase over HK$500 on order
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The legendary “Onatsuyu Lubricant” — Japan’s most recommended lube for R-20 users.
Created by Toys Heart, a brand with over a decade of onahole experience,
this Onatsuyu Lubricant is specially designed for use with masturbators, especially the iconic R-20.
It offers a softer, more sensitive texture to help you feel every detail inside the cup.
🏆 Voted #1 by millions of Japanese users
Perfect match for R-20 and other popular onaholes
💧 Soft, high-sensitivity formula
Enhances tactile sensation and internal texture feedback
🧴 Injection-friendly bottle design
Easy to insert into tight tunnels without mess or waste
🫧 Water-based, colorless, odorless, non-sticky
Doesn’t dry out easily, washes off clean, zero greasiness
🇯🇵 Made in Japan by Toys Heart
Trusted quality from a specialist in male pleasure products
| Feature | Description |
|---|---|
| Name | Toys Heart Lotion Onatsuyu Masturbation Cup Lubricant |
| Brand | Toy’s Heart (Japan) |
| Texture | Soft, colorless, odorless, non-greasy |
| Type | Water-based, masturbator-specific |
| Bottle Design | Easy-injection nozzle |
| Best For | Onaholes (especially R-20) |
| Made in | Japan |
Feel deeper. Glide smoother. Finish harder.
This is the lube real R-20 pros swear by.