My wife, Marina, started going to a certain martial arts gym because of my careless remark, "Have you gained weight?" After she joined, I felt relieved and let my guard down as I watched Marina's body tighten up rapidly. However, from that time on, I began to notice strange things about Marina, not only her body shape but also her strangely flashy underwear and not answering her phone calls, which she always answered. As if to mock me for not having the courage to confront her, my wife had crossed the line many times with the handsome trainer...