[DVDMS-054] A motherly and kind-hearted mother challenges her son, who is troubled by his virginity, to a 100,000 yen per shot Nakadashi (Nakadashi in reverse) nighttime Fudeiroi (Fudeiroi in reverse). 30cm to the side is the father, who is sleeping on the river without knowing anything! The father is lying on the river 30cm away from the mother and the mother's son...