A man married to his wife left her in the city while he took up a rural job assignment alone. He was enjoying his simple country life when a beautiful woman named 'Ai' moved in next door. One day, our protagonist accidentally witnesses Ai masturbating. Struck by her beauty, he becomes infatuated with her body. Later, she confronts him about seeing her self-pleasure session but reassures him that it's their secret. Overwhelmed by lust, they embrace passionately... His lonely work trip takes an unexpected turn as they embark on an illicit affair filled with desires.

愛する妻を都心に残しド田舎に単身赴任になった。田舎生活にげんなりしていたボクの前に清楚で綺麗な美女が現れた。隣に住むバツイチの‘藍’さんだ。ある日、藍さんの自慰行為を目撃してしまった自分は彼女の美しいからだに心を奪われる。後日「覗いてましたよね？」と藍さんに迫られ困惑するものの「大丈夫、二人だけの秘密です…」の一言で完全に理性崩壊。欲望のまま藍さんを抱いてしまう…。退屈だと思っていた単身赴任生活は一転し、巨乳美女と天国のような不倫性活へ。