The married woman living across the street, Jinguji Nao, JUY-723

Shinji, whose life revolves around voyeurism, is mesmerized by the swaying buttocks of the married woman across the street. He also discovers she's his former crush, Nao Jinguji… Just then, Shinji's shoe, which he'd left hanging on the balcony, falls off, and Nao, who found it, comes to visit…