Shinji, a recluse who finds meaning in life by peeping through the window across from him. The married woman living in the room opposite is beautiful and unguarded, and Shinji is captivated by her swaying buttocks as she changes clothes. Then one day, Shinji realizes that she is Nao, a classmate he admired during his student days… He never imagined he had been spying on his classmate's naked body and private life... Shinji's desire intensifies even more. Just then, Shinji accidentally drops the shoes he was drying on the balcony, and Nao, who picked them up without knowing anything, comes to visit his home…
