In 'Jitaku Keibiin', two newly hired security guards, driven by insatiable lust, transform their surveillance assignment into a systematic sexual conquest of an entire household. They meticulously plant hidden cameras, capturing the intimate moments of the beautiful mother, Airi, and her two stunning daughters, Shion and Rina. Armed with this compromising footage, the guards begin a relentless campaign of blackmail. They corner each woman, forcing them into depraved sexual acts. The series showcases the guards' complete domination, as they fuck Airi's mature cunt, defile the innocent Shion's tight pussy, and explore every inch of Rina's nubile body. Each episode escalates the depravity, featuring intense scenes of oral sex, deep vaginal and anal penetration, and cumshots plastering their faces and bodies, leaving the women as nothing more than the guards' personal fuck-toys in their own home.