Sumire and I have been married for 15 years. I've risen to department manager and believe our marriage is going well. One day, my junior colleague Suzuki tells me he has no interest in marriage, so I decide to show him its appeal by letting him and my wife play at being a married couple. After just three hours alone with her, he seems to understand perfectly. When he asks to visit again a few days later, I set up a hidden camera, thinking the footage will give me something to tease him about—but...