Summary: Fl loved a man and when introduced to his family, found out that she had a one night stand with his brother. the man dies (not too sure about this) and the FL and the brother start getting attracted to each other.

Please tell me the name of this drama !!

I believe the drama your looking for is: Tears in Heaven (2021)

Du Xiao Su is a wilful entertainment reporter who impersonates as a nurse and sneaked into a hospital ward to snap a high rising star’s photo after a car accident. She bumps into Shao Zhen Rong, a suave doctor on duty and that begins their bitter sweet love relationship. Du Xiao Su met Shao Zhen Rong’s family to discuss their marriage and realized to her horror, Shao Zhen Rong’s second brother Lei Yu Zheng is none other than the guy who had a one night stand with her years ago! Much to Du Xiao Su dismay, Lei Yu Zheng forbade her relationship with Shao Zhen Rong.

During an earthquake rescue mission, Shao Zhen Rong had a mishap and lost his life. As time goes by, Lei Yu Zheng finds it more difficult to resist his feelings for Du Xiao Su and realized he had fallen in love with her right from the beginning. Will Du Xiao Su ever forget Shao Zhen Rong and learn to accept Lei Yu Zheng?