Due to an accident, Wataru has lost his memory. Now he is in America with Rena & she has promised his parents that she would take care of him until he recovers. Well, she isnt only one that wants to help him out! Two Boobalicious whores from Japan have followed Wataru to America & they too vowed to find way to have his memory recovered. The method making sure he remembers how much of bob-secret lover he once was by using their milk cans as tools!