Chen Xin Yi
Described as a plain woman, with a plain job, plain looks, and a plain name, Chen Xi Yi works at a job where everyone thinks that she just like a post-it girl to run errands. She invites her boyfriend along on a cruise and accidentally walks into a different bedroom and accidentally sleeps with Cun Xi, who actually thought that Chen Xi Yi was his girlfriend, Anna. After finding out their huge mistake, Chen goes to her room and finds her boyfriend in bed with another woman and dumps her on the spot. Then she is forced to marry Cun Xi by her grandmother.