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A few years after marrying Shioriho, he had been living a peaceful and happy life. One day, Yamada, a junior colleague at work, boasted that "housewives who have been married for 3 to 5 years are the easiest to seduce." I told him that this was absolutely not true, as I believed in Shioriho, but due to our monotonous married life, I was persuaded by Yamada's words. A few days later, I invited Yamada and Shioriho to my house, and forced them to be alone for 3 hours, making up some excuse...