A few years have passed since I married my wife, Yuki, who is a teacher, through an arranged marriage. Before marrying Yuki, I had almost no experience with women, and even now I get nervous and make mistakes, leading to sexless days. Then, one day, Yuki told me that she had been secretly filmed by students at school. She also told me that the students masturbate while imagining my wife. At that moment, a shock ran through my head and groin. I wanted to see my wife in a shameful and humiliated state right in front of me. This desire grew, so I invited my wife to a porn movie theater, but…