"This work is a record of an Amateur wife who just entered the AV industry and has no idea what to do, being fucked all day by an insatiable man until her body becomes one that cannot be satisfied by her husband. "This time, we have Yuki-san, 30 years old, a former lifeguard and married woman who loves the sea. Her "super beautiful big butt" is perfectly trained in color, shape, elasticity, and everything else, and it convulses with hard pistoning!! A shocking infidelity documentary that will change your life, with no script or fakery, and real climaxes!!