Sexy Sisters Of SorrowEiko has an unsatisfying marriage, and finds satisfaction in the arms of the younger Mitsuo. After a passionate spell between them, Eiko feels she can't keep living this way and breaks up with him. Two years later, Eiko's younger sister, Yuiko is happily engaged to marry, and introduces her fiance to Eiko. The fiance is no other than Mitsuo. Mistuo and Eiko pretend to meet each other for the first time. Will they be able to keep li...