セックスレスの人妻「結衣」は女であることを捨てられずにいた。このまま枯れてしまうなら…、その思いが日に日に強くなり、ついに人妻風俗「エテルナ京都店」で働くことを決意する。様々な男と身体を重ねるうちに性欲覚醒した結衣は、どんどんエロく美しく開花していき…。お店に内緒で今日も中出しSEXに明け暮れていく。Yui, a sexless married woman, has never been able to give up being a woman. She decides to work at a married woman's brothel, "Eterna Kyoto". As Yui's sexual desires are awakened by the many men she meets, she becomes more and more erotic and beautiful… Without telling the store, she spends her days having raw sex.