[Milkdou Shoukai (Milk Koubou)] Imouto ga Inakunatta Yoru... Boku wa Okaa-san to Hageshiku Aishiau... | The Night My Sister Disappeared... I Made Love to My Motner... [English]
Natsuki, the older brother, wants to be more than siblings with his sister China. But his younger sister has already a really close relationship with her father ....
Then, suddenly, the father and sister leave their home...
Natsuki forces himself on his mother, Chigusa, who is both shocked and stunned.
Natsuki, who failes to get a taste of his sister's body, then uses his mother's luscious and voluptuous body for his own naughty thoughts.