命中注定我爱你

This Taiwanese Drama (命中注定我爱你), according to Wikipedia is the highest rating Taiwanese drama.

Title: 命中注定我愛你
Also known as: Fated to Love You / Sticky Note Girl / Destiny Love
Genre: Romance / Comedy
Episodes: 20
Opening theme song: 99次我爱他 by 元若蓝
Ending theme song: 心愿便利贴 by 元若蓝 & 吴忠明

Synopsis:-
A really unfashionable working class girl Chen Xin Yi (陈欣怡) has the desire to tie down her handsome boyfriend to be with her. Due to certain reasons, her boyfriend gets her to go on a love cruise and she started to ponder on how to lose her virginity and tie down her boyfriend. Xin Yi ended up taking cold medicine which made her drowsy and went into Ji Cun Xi's (纪存希) room. Cun Xi is the sole male heir to his family's company and has been in love with his girlfriend, Anna, for a long time. He planned to propose to Anna on the boat but she didn't turn up on the cruise. An island owner added drugs into Cun Xi's drink and Cun Xi became disorientated and returned to his own room. Xin Yi and Cun Xi end up having a one night stand. Xin Yi later finds out that she's pregnant and Cun Xi's grandmother forces them to get married. Will a couple forced to marry for the sake of their unborn child find love with each other?

Cast:-