Overview

“Exchange lifestyle” is currently becoming a secret boom in the world. Couples exchange partners for several days. For Yua, who believed that she had no connection to the situation, the offer of ``exchange living'' from her neighbor turned out to be nothing to be desired. Yui replied on the spot that if her husband was good, then she would..., but her husband's reply was an unexpected ``YES'', and a life of exchange began with a mixture of expectations and anxiety.