Watashi no Shiranai Mesu no Kao  

The Secret Face of My Wife, Watashi no Shiranai Tsuma no Kao, 내가 모르는 아내의 얼굴, 私の知らない妻[メス]の貌, 私の知らない妻（メス）の貌

Masato and his wife Ichika lead a contented life together. However, one day, he receives a disc with videos of Ichika engaging in sexual acts with someone else. Despite being unable to look away, Masato finds himself struggling to cope with these new revelations. A few days later, another disc arrives, containing all of Ichikas past sexual experiences. Eventually, a man appears before Masato, and he must confront the reality of Ichika's past and consider what will happen for their future together.