My estranged wife brought a man home. The panting coming from the wall made me uncontrollably erect, and I wanted to have sex with her. (Nagasaki Yukine DVAJ-684)

Although I knew my wife was having an affair, I didn't think much of it... I thought it wouldn't sway my heart. My wife brought a man home, and without my knowledge, she had sex with a young man, making alluring panting sounds that carried to the next room. What a formidable woman... But I was inexplicably excited. Even seeing her naked didn't arouse me, but hearing her panting made me unable to resist getting an erection. And I really wanted to have sex with my wife! Watching my wife monitor the man, confirming his return date. I secretly observed them and discovered they had started having sex... I was so jealous!! I wanted to have sex with my wife again!!!