Husbands who want to sleep and wives who accept their desires. People who seek new stimulation are drowning in extraordinary excitement. Childhood friends Mao and Hikaru are interested in the word 'swapping' that they suddenly heard, and invite their husbands to an unknown world. With embarrassment and curiosity, the expressions of the wives who are immersed in pleasure ignite the inferiority of their husbands. No matter how many times you hug it, you won't be satisfied, and each time you lay on it, you will feel a new pleasure, and you will enjoy indescribable happiness. The banquet of the sake pond meat forest that takes place in a strange space far from everyday life drives the two couples crazy.
