大人しく人見知りな人妻・冴香の日常は、無骨な労働者・鮫島との出会いで一変する。野性味溢れる彼の強引な誘いに、眠っていた雌の本能が呼び覚まされていく。夫の留守中、滴る汗と濃密な匂いに包まれ、幾度も絶頂を繰り返す追撃セックス。罪悪感すら快楽のスパイスに変え、中出しの衝撃に震える彼女の身体は、もはや鮫島なしではいられなくなっていた。だが、その禁断の密会を冷徹に見つめる視線があることに、冴香はまだ気づいていない…。

Saeka, a quiet and shy housewife, has her life turned upside down when she meets Samejima, a rough-and-tumble worker. His wild and forceful advances awaken her dormant feminine instincts. While her husband is away, she is enveloped in dripping sweat and a rich scent, experiencing multiple orgasms during their relentless sex. Even guilt becomes a spice of pleasure, and her body, trembling with the shock of his internal ejaculation, can no longer live without Samejima. But Saeka is still unaware that a cold, detached gaze is watching their forbidden tryst…