The fûfu kôkan: Tonari no wakazuma no aji

ザ・夫婦交換　隣の若妻の味

Also known as ザ・夫婦交換 隣りの若妻の味, 隣りのうずき若妻 スワッピング三昧, 隣のうずき若妻　ースワッピング三昧ー

Newlyweds Kenta and Emi have settled into a new home in a suburban apartment. As a newlywed couple, their love is burning bright. Suddenly, they hear a loud sneeze from the next room. The next morning, Emi, still bothered by what happened the previous night, goes to check on her neighbors, partly to introduce herself after moving in…