Investigator Mio and a junior colleague are on a stakeout to catch the mastermind behind a goods trafficking ring. Mio's desires have reached their limit due to the muggy heat of the room with a broken air conditioner and the days of abstinence. "I want it so badly...!" In a hazy state of mind, she licks the sweat off him, sucks his sweaty cock, and while making excuses that it's because of the heat, she has sweaty creampie sex. The two of them seek each other out, their sweat and bodily fluids intertwined. Their relationship will end once the case is solved, but Mio has learned how to have sex that feels real...