大人気の人妻誘惑同人「自治会の人妻はHでした」が完全版で再実写化！！周りの声に流されて引っ越し先の町内で自治会長となってしまった望月弘。途方に暮れる彼に前会長の一ノ瀬真美（椎名）がサポート役を買って出てくれるのだった。退屈な日々を持て余してた真美は、純朴な彼を気に入り、どんどん距離を縮めてきて…。大胆に迫る彼女との不貞に溺れ始める弘だが、それを知った地区センターの中原（九井）は…。本編では描かれなかったオリジナル3Pエピソードも収録された淫欲5本番！！

The hugely popular doujinshi about seducing married women, "The Married Woman in the Neighborhood Association Was Horny," has been remade into a complete live-action version!! Hiroshi Mochizuki, swept up in the voices of those around him, finds himself becoming the neighborhood association chairman in his new town. Lost and bewildered, he is approached by the former chairman, Mami Ichinose (Shiina), who offers to support him. Bored with her daily life, Mami takes a liking to the innocent Hiroshi and begins to grow closer to him… Hiroshi begins to succumb to an affair with her as she boldly pursues him, but what will Nakahara (Kui) at the community center do when he finds out…? Includes five explicit scenes, including an original 3P episode not shown in the main story!!