Feeling lonely and at a loss as to what to do with her body, Arisa has been having a sexual relationship with her only son behind her husband's back. Every day, they wait until her husband leaves for work and passionately desire each other. Perhaps because they are mother and daughter, the two have excellent physical compatibility and begin to indulge in pleasure beyond their wildest dreams, until they end up having sex as soon as her husband leaves. Today, as usual, Arisa sends her husband off with a smile, and the next moment they share a passionate kiss...