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Marriage Attack
マリッジアタック！
In a world where humanity faces extinction, a mysterious figure appears to teach the last remaining man the true meaning of sex. The man, who has never experienced intimacy, is guided through a series of erotic encounters designed to save the species.
As he learns the art of physical connection, he discovers that the survival of mankind depends on his ability to master these intimate acts. But the pressure of being the last hope for humanity weighs heavily on him, and the lessons become more intense and demanding.
