SSNI-207 Even though my wife is right next to me, she straddles me and whispers seductively in secret language. The older sister who uses hidden words is Tsukasa Aoi.

Film Introduction

Even though my wife is at close range, "Let's do something naughty while your wife is over there?" "Shall we do something naughty while you're sleeping?" The temptation of an overly lascivious sister who persuades you with a whispering voice... All corners are from my perspective and recorded with an ultra-high-performance sound-collecting microphone. Can you bear the whisperings of these angels and demons?