大好きな母が背負った5，000万円もの借金。絶望する私に、資産家の吉村が突きつけたのは「乳首オナホになる」という最低極まりない契約でした。拒絶すれば母は破滅…。覚悟を決め、震える手で服を脱いだその日から、私の地獄と快楽が始まります。「嫌がるな、もっと感じてる顔を見せろ」。吉村の指が、筆が、バイブが、執拗に私の胸を蹂躙する…。感度も数倍にまで跳ね上げられた私の体は、掃除中も、お酌の間も、少し擦られるだけで勝手に熱く疼きだす「性奴●」へと作り変えられていきました…「私の乳首を……たくさんいじって、イカせてください……」
My beloved mother was burdened with a debt of 50 million yen. In my despair, the wealthy Yoshimura presented me with the most despicable contract: to become his nipple sex toy. Refusal would ruin my mother… I steeled myself, and from the day I removed my clothes with trembling hands, my hell and pleasure began. "Don't resist, show me how much you're feeling it." Yoshimura's fingers, brush, and vibrator relentlessly ravaged my breasts… My body, whose sensitivity had been amplified several times over, was transformed into a "sex slave" that would spontaneously burn and throb with even the slightest touch while cleaning or pouring drinks… "Please… play with my nipples a lot, and make me cum…"

– JavGG.net