Nana Maeno, a self-proclaimed and universally recognized true female masochist, appears in this title centered around the theme of "deep throat penetration." In scenes dominated by aggressive, carnal sex, Nana becomes completely absorbed in experiencing deep throat pleasure. Her obsession with irrumation is intensely evident as she tightly grips the thrusting cock deep in her throat, passionately constricting it with her throat muscles. Nana's insatiable craving for extreme deep throat stimulation embodies the ultimate form of irrumation, delivering a powerfully intense performance as she savors every moment of throat-fucking to the very core of her being.