Kurumi Makino's obedient and endearing big breasts drive her stepfather to the brink of madness. Squeezed, licked, sucked, and clutched—unable to resist his overwhelming urges, he plunges into a forbidden, taboo relationship with his daughter. Under one roof, they indulge in illicit sex. He knows it's wrong. He knows he should stop. But he can't. Enthralled by his daughter's breasts, he sinks deeper and deeper into obsession. When she whispers, "Daddy, you can suck my big tits harder if you want..." his last shred of reason collapses completely. Here lies the ultimate eroticism, the ultimate forbidden love.