"I've become the ace of the planning department, all thanks to you, Minami... thank you..." my husband said happily, but I couldn't truly be happy. I could only give an awkward smile, feeling the pain of deceiving my husband who knew nothing. From that day on, I had submitted to Managing Director Tsutsumi. "If I endure, he will be promoted, and we will both be happy." I told myself firmly. But my body was engrossed in it, as if to escape from the guilt. And then, on the seventh night...