My husband and I married after meeting at work two years ago. I could have become a homemaker, but we both chose to keep our jobs, leaving us with little time together and an increasingly distant marriage. Then Hosoda, the senior colleague who had trained us both, returns from an overseas assignment. I once admired him, and those old feelings come rushing back even though I am now married. One night, while we are working overtime alone, Hosoda comes on strong—and I let his fingers have their way with me. That is how I cross the line into seven days of forbidden breeding sex with my husband’s boss...