What's the name of the Korean TV series with nine beads in it?

The Battle between Bo and Diamond is a Thai TV series. Main story: 18 years ago, a car accident happened. Newborn baby girls Namphet and Kaewkao were moved in the hospital surrounded by their families. 18 later, Namphet is graceful, gentle and kind; When he grew up, Kaewkao was arrogant, selfish and vicious. Due to fate, Namphet came to Kaewkao's house as a servant, and their lives were turned upside down. Cheewin is a hotel management consulting expert and Kaewkao's future husband in everyone's mind. Chiwin and Namfett fell in love at first sight, and they were jealous, so they tortured and insulted Namfett in every way. Kahn also fell in love with his sister Nanfeite without knowing it. What will happen if he is entangled in the complicated fate of family, love and friendship? ...