Iroha poured an unusual amount of affection into her son, and before they knew it, their relationship had become romantic. This time, for the first time, mother and son were traveling alone together, visiting a quiet hot spring inn. They chatted happily as they held hands and entered the inn. Suddenly, suspicious men appeared from the shadows and also entered the inn. Once in the room, the son tried to embrace Iroha, thinking they could be intimate just the two of them, but Iroha teased him, saying not yet, and first led him to the private hot spring. As soon as they entered the bath, the son pursued Iroha, who smiled softly and embraced him gently, and they began to satisfy each other. The men hiding in the shadows captured this scene. One of the subordinates said, "Those two are really like that," and asked the boss if he should report it immediately. Yes, they were detectives. The husband, suspecting an intimate relationship between his wife and son, had commissioned them to investigate during this trip. When the subordinate asked again what to do, the boss grinned wickedly and said, "Since we're here, let's join in on the fun." The mother and son, still unaware of everything, were enjoying their private time together...
