Because it's a loving couple ... Swapping experience! Nakazawa is not satisfied with his wife because of the tiredness of the business. One day, by witnessing his wife's masturbation, he decides to face swapping, "a reconfirmation of mature swapping and affection." A couple of different years living in an apartment. I decided to take the invitation to exchange the couple, which was offered by my neighbor, but the result is ...? "Swap experience of a serious couple of years". Includes two powerful novella episodes! It's delicious!