Tropical night new chapter! Summer, about three years after my second son married Nanami. My brother, who went out saying he wouldn't take over the house, came back with a cicada cry. From that time on, my wife's appearance was strange. Although I thought that only my wife wasn't doing anything strange, I was worried and set up a camera to record the situation while I was away. What was projected there was pearly sweat, shiny lips, and hair clinging to the skin. A wife who gradually accepts and interacts with her brother who is lustful for it while resisting it. My wife who believed in ...