Yui, the mother-in-law of a three-day monk, has become addicted to exercise. - She said it was to tighten her sagging stomach, but Toshiya expected that she would get tired of it soon anyway. - However, when I half-jokingly went to check on him, I saw Yui, whose sweaty body looked oddly disgusting. - As expected, Toshiya's sweaty appearance makes her lustful. - Sweat running down the nape of my neck and cleavage... - Unable to contain her excitement, Toshiya instinctively reaches out to touch her crotch.