A group of college friends, all of whom are in love with each other, go to visit a couple who recently got married. The couple is Miss Usami and her new husband, and they are planning to throw a wedding at the hotel where they are staying. One of the friends, a boy named Takano, joins the group and tells them that he is a good friend of theirs and that he has just gotten married to a girl named Mami. The two of them go to the hotel to look at the newly wed couple, and the other friend, a woman named Viola, joins them. The girl, who is also a friend of the boy named Mami, tells the group that she and her husband have recently gotten married, and that they are going to throw