A new assassin from Kitsunemusume has arrived! It is "Fuwatsutsumi." This onahole, created using a mysterious technique called "Ka-Geki Yougi" (Attack-Style Mystical Technique), is made with a soft material that is said to overflow with gentleness, instantly enveloping and soothing all wild men. However, the gentleness is short-lived, as the finely carved horizontal grooves show a wriggling movement that seems to squeeze everything out as quickly as possible, sending most ordinary men to heaven in an instant. One man described it as, "The pleasure was like the core of my manhood boiling and bubbling!" The "Goku Hida Structure" (Extreme Fold Structure) may seem like an ordinary name at first glance, but it would be some time before the world truly understood the terrifying nature of the structure created by Kitsunemusume...