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My mother-in-law, Miki, came to our house from her parents' house to support my wife who was pregnant and unstable. With my mother-in-law's support, I let my guard down and incurred my wife's anger over a trivial matter, and she ordered me not to masturbate. A week later, Miki, unable to bear the relationship between my wife and me, gave me a massage, saying, "You must be tired, aren't you?" Not knowing that I was in a state of agony, my crotch swelled up every time she touched my body. Miki also noticed my crotch, and blushing, she made an obscene suggestion...