Vins, a foreign exchange student at his son's school, came to the Honjo family as a homestay. Decamara, which is not a standard outside of Japan, stimulates the gap between the old daughter and the frustrated mother's hips, and they will eventually seek decamara alone without any intention! At last, she developed to 3P with her mother and daughter! Enjoy the Black and Mother-Daughter Doskebe mother-daughter niece!