NSFS-276 | I didn't expect it to be my wife... Couple exchange life for 2 nights and 3 days Kazuaki Kuno

It is customary for Mr. and Mrs. Kuno and Mr. and Mrs. Kanda, who live in the same apartment building, to have a drinking party once a month. That same day, when the four of them were drinking together, her husband started talking about a TV show about husband and wife swapping, and by chance they ended up doing a husband and wife swap. However, the marriage exchange leads to an unexpected mistake...