A complex internal structure with endless undulations!

[Soft and raw material] The outer side of the two-layer structure has a moist and raw feel like a woman’s skin. The inner material is lustrous and moist, and has a high elasticity that tightens tightly.
These two materials overlap and you can enjoy complex stimulation that is not found in ordinary halls.
Please enjoy the selection that represents Japan.

[Fall into the illusion of being with Yuna Ogura] If you set a hole in the main package, you can play with plenty of presence.
Please enjoy the brain play that seems to be transmitted to body temperature and breath.

[Gokusen Double Wall] The double huge wall near the entrance constantly traces the back muscle and separates the meat wall. [Extremely selected suction spot] Every time you go to the innermost part, the hole narrows and leads to the climax of bliss.
[Gokusen Ceiling] A masterpiece spot that realistically reproduces the wriggling inner wall.

[Enjoy Yuna Ogura’s beautiful butt] Gokusen BACK Yuna Ogura has a complex internal structure with endless undulations.
You can feel the reality of wriggling with convulsions when you thrust while grabbing.