MIDA-711 My drunken, big-assed sister-in-law goes on an indoor exhibitionist rampage in a tiny bikini! I succumb to the temptation of her big, digging-in ass and get fucked drenched in sweat, fucking her crazy ass and cumming inside her 20 times. - Umpai

One scorching summer day, Yuzuru visits his brother's house. The air conditioning breaks down, and his brother's wife, Unpai, unable to bear the heat, strips down to a micro-bikini. Unable to resist her advances as the heat makes him drink more and more, and his sister-in-law approaches him in her tiny bikini, he... This is the story of how he and his sister-in-law, in a lewd swimsuit and with a slutty big ass, had a sweaty, passionate encounter...