絶体絶命の結婚、 冷徹な彼に守られて

To save her vegetative brother, Serena had to marry the Morgan family's heir, Nathan. However, on their engagement day, she learned that her fiance had been having an affair with his secretary. They even made a plan to make her die. In a desperate counterattack, Serena entangled herself with Alan, the half brother and mortal enemy of Nathan. She seduced Alan step by step, hoping to change a fiance. Alan, the cold-faced gentleman helped her many times. Has he already got into her love trap?