Aunt of relatives during a banquet with all the relatives, you should never lose your aunt and my nephew's W-Swap!

A New Year's seat where all relatives gather. The greetings were so good that the drinking and feasting danced, and the inside of the house was completely in a banquet mood. However, in such a situation, only two pairs of parents and children were not calm in their hearts. He was an aunt and nephew of the Yabe family and the Shichikai family, who had continued to have relationships with each other for a long time. The four people who had no idea that their parents and children were actually physical, were looking forward to today's day where they could only see each other once a year. two groups of people who are trying not to fall in love with other relatives... However, I was lucky enough to get together and finally know all the truth. There were four people who could not hide their awkwardness, but the situation was disturbed by everyone and they entered into a big meeting.