Four years into married life, my wife Kana worked as a manners instructor. Gradually, the time we spent holding each other diminished, and loneliness began to grow inside her. One day, I heard that the men around her had started taking interest in Kana, and unexpectedly, my heart began to race. Realizing my own feelings, I showed Kana a netorare site to gauge her reaction. However, she pretended to have no interest, only to secretly browse the site and masturbate at night. Seeing her like that, I became certain she was intrigued by her own sexual desires. That's when I decided to show her a porn film, determined to uncover her true feelings.