Jun, a married woman who leads an ordinary married life, felt that the distance from her husband was getting longer day by day. In the night life, foreplay is gone ... the word I love is gone ... and not only SEX but even kisses are gone. One day, her husband invited her classmate Yosuke to her house to eat. Jun had a past when she was confessed to Yosuke when she was a student. As the liquor progressed, the moment my husband went to the bathroom, my lips were suddenly robbed ... I was struck by a numbing sense of immorality ...