不動産会社の部下・佐伯は、嫌な女上司・柊かなに無実の罪を着せられ土下座を強要される。しかし、彼女がニューハーフであり社内にある下着に悪戯していた決定的な証拠を掴んだことで立場が逆転。秘密の露見を恐れるかなに対し、佐伯はオフィスや自宅で執拗な肉体調教を開始する。復讐から始まった主従関係だったが、徹底的な乳首開発とアナル攻めによってかなは快楽に溺れ、自ら進んで佐伯の従順な性奴●へと堕ちていく。

Saeki, a subordinate at a real estate company, is falsely accused and ****** to grovel by his unpleasant female boss, Hiiragi Kana. However, the tables turn when he obtains conclusive evidence that she is a trans woman and had been tampering with the company's underwear. Fearing that his secret will be exposed, Kana is subjected to relentless physical training at the office and at home by Saeki. What began as a master-slave relationship turns into a descent into pleasure as Kana is thoroughly stimulated by Saeki's nipples and anal attacks, willingly becoming his obedient sex slave.