Seungwan is the bachelorette of the year. Everyone wants to be with her, to be the person who stand beside her as her equal partner. But Seungwan thinks no one can come close to Joohyun. Her secretary, her fiancee, her everything. She's beautiful, she's smart, she's absolutely good in bed. Safe to say, they're the perfect couple this world has ever created. (That's what Seungwan said to everyone. Joohyun just silently judging her with her signature deadpan stare like she just

  Her name has become his mistake.   His mistake has turned into her misery.   Her misery has transformed into his guilt.   And he is now responsible of her..