大学生の健太は、同じゼミの友人・誠人の家に通ううちに、その母・冬香に密かな想いを抱くようになった。冬香は女手一つで誠人を育て上げたキャリアウーマンで、歳を感じさせない美しさと大人の色気を兼ね備えた女性だった。やがて冬香は、健太の秘めた想いに気づき、優しい微笑みと甘い囁きで彼を翻弄していく。憧れと背徳の狭間で揺れる健太は、次第に冬香の魅力に惹き込まれ、抗えない想いに溺れていくのだった…。

Kenta, a university student, began to harbor secret feelings for his friend Makoto's mother, Fuyuka, as he frequented her home. Fuyuka was a career woman who had raised Makoto single-handedly, possessing both ageless beauty and mature allure. Eventually, Fuyuka noticed Kenta's hidden feelings and began to manipulate him with her gentle smiles and sweet whispers. Torn between admiration and guilt, Kenta gradually became drawn to Fuyuka's charm and succumbed to an irresistible attraction…