UD-790 Married couple exchange swap hot spring trip 2 secret plan to break the rut! !! Is it a mixed bathing? !! The wives who are left to get drunk and fall asleep! !!

Two couples who have been with the whole family for many years go to the hot springs. However, this trip is a swapping trip designed so that each other's husband can have sex with the other's wife. That night, the husbands set up a night for each other's wives who did not know.