A real documentary following Maeda Mako's exploration of anal sensitivity. This work meticulously captures the process of deepening and expanding her anal sensations. With rich expressiveness and realistic depictions, it maximizes the pleasure of anal stimulation, creating a compelling experience. The unique atmosphere combined with Maeda Mako's intense passion results in an exciting and provocative production from Perversion Mania Headquarters. Featuring fair skin, a female masochist, and a big ass.