Recently, my wife Nao has been coming home late from work. She claims it's due to "entertainment duties," but there are no receipts in her wallet. She got angry when I checked her purse, but as her husband, I naturally grew suspicious about possible infidelity. Wanting Nao to focus on our family, I increased my own workload. It seemed my feelings reached her—she started coming home earlier, and our relationship grew closer than before. Just as we were building a happy life together, I suddenly received a disturbing phone call from a man claiming to be a bartender...