A Korean drama aired on CCTV8, please tell me the title

The TV series "Watch and Watch"

The 100-episode Korean TV series "Watch and Watch" mainly tells the story of two families: Jinzhu and Yinzhu When the two sisters grow up, their "snobbish" mother likes the excellent Jinzhu and always hopes that Jinzhu will marry a wealthy son-in-law; but she is picky about the always-hated Yinzhu.

One day Eun-joo meets and falls in love with Park Ki-jung, a young man from a wealthy family, while Jin-joo meets Ki-jung's bohemian brother Park Ki-bong by chance, and a hilarious love story unfolds between the two lovers...