Haruka and Wakana should use their bikinis
Eiko has an unsatisfying marriage, and finds satisfaction during the arms from the more youthful Mitsuo. After a passionate spell involving them, Eiko feels she will be able to't continue to keep living using this method and breaks up with him. Two yrs later on, Eiko's youthful sister, Yuiko is happily engaged to marry, and introduces her fiance to