Haruka and Wakana ought to wear their bikinis
Eiko has an unsatisfying marriage, and finds gratification inside the arms on the younger Mitsuo. After a passionate spell in between them, Eiko feels she will't keep living by doing this and breaks up with him. Two decades later, Eiko's younger sister, Yuiko is happily engaged to marry, and introduces her fiance to Eiko. The fiance is not any apar