Watashi no Shiranai Mesu no Kao  

Watashi no Shiranai Tsuma no Kao, 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 is deeply troubled by these images. 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 Ichikas past and consider how it will affect their relationship in the future.