An old father is free and engages in lewd fantasies with his wife.His lust never stops, and he eventually reaches out to his wife's underwear.However, despite the misconceptions, his wife was taken over from the scene and was depressed.Although he feels awful, his wife himself feels strangely excited, perhaps because he was given to his old father's lust.Then one day, his healthy son collapsed and was recovered.The father-in-law and his wife...on this unprecedented opportunity, the two of them end up stacking up their bodies.(From Episode 1)
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