Tokyo Juliet (2006)
Summary: Lin Lai Sui has her design "Daisy" stolen by the designer Chu Xing when she was 5 years old. Lai Sui swore that she will not fall in love before she can beat Chu Xing. Yet she met Ji Feng Liang, who's powerful enough to make her almost forget about her own promise... but Feng Liang is Chu Xing's son!
~All information taken from DramaWiki~