Haruka and Wakana ought to wear their bikinis
Eiko has an unsatisfying relationship, and finds fulfillment while in the arms on the more youthful Mitsuo. Following a passionate spell involving them, Eiko feels she will't maintain dwelling in this manner and breaks up with him. Two several years later, Eiko's youthful sister, Yuiko is happily engaged to marry, and introduces her fiance to Eiko.