Nettaiya Ryu Enami. Ryu is the wife of elite business man Haruo. Her roommate and brother-in-law Toshio is a loser, job hunting after getting laid off due to corporate restructuring. Haruo goes on a business trip, and Toshio sneaks into Ryu's bedroom at night, unable to endure looking at her seductive body every day, even though he's in a hurry to find a job. He has hot, sweat-drenched sex with Ryu, who doesn't like air conditioning.. Nettaiya