A new “Medium” version joins the KAKU-MEIKI series: KAKU-MEIKI MEDIUM Mimizu 400.
The phrase “a thousand worms” (mimizu senbiki) is widely known in Japan as a metaphor for a legendary structure filled with countless folds.
So the developers asked a simple question: what would it feel like if we actually created a design packed with that many folds?
The result is the elegant “Mimizu 400”, featuring hundreds of layered folds carefully arranged throughout the tunnel.
Fold-Focused Internal Design
The countless folds wrap around and gently squeeze from every direction.
As you move deeper, a tighter section awaits, creating a satisfying highlight point for the experience.
The structure has been carefully balanced to satisfy those who love rich, fold-heavy textures.
Two Material Options
Two material types are available, allowing you to choose the experience that suits you best.
Standard Type [STD]
Clear and direct stimulation for those who want a more intense sensation.
Perfect for shorter sessions with a stronger, more noticeable texture.
Soft Type [SOFT]
A softer, bouncy material that provides a gentler feel.
Ideal for those who prefer a slower, more relaxed experience.





















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