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"Ken-kun, would you mind abstinence for a month before the trip?" It should have been a hot spring trip without family, but he took advantage of it and was asked to make a child with his wife. However, my wife is not interested in making children and refuses even if I invite her. When I headed to the hot spring to somehow calm the desires that had accumulated in my abstinence, I accidentally entered the women's bath and happened to witness my mother-in-law's bathing appearance.