Husbands who want to sleep and wives who accept their desires.People who seek new stimulation are drowning in extraordinary excitement.Mr. and Mrs. Nakazato, who frequently attend swapping parties, called out to Mr. and Mrs. Arakaki, who had been friends for a long time, and suggested that they participate in the party in order to build a good marital relationship.Beginning with couple exchange sex over the videophone, we will establish a physical relationship that transcends the boundaries of the couple.Excited by new pleasures, they seek further pleasures, throw away their shyness, and satisfy their desires.The banquet of the sake pond meat forest that takes place in a strange space far from everyday life drives the two couples crazy.