"I wanted to change my mood from usual..." Keiko (Momoko Isshiki), bewildered by her husband's gift of lewd underwear, found herself reminiscing as a woman rather than a wife while her husband was away on a business trip, secretly wearing the underwear in front of a mirror. However, her lewd appearance was inadvertently spied upon by the man next door from his balcony. Tormented by the shame of being seen and the sense of transgression from being aware of a man other than her husband, Keiko found herself unconsciously starting to feel a stirring in her groin...
