Yan Yu - always looked heartless and had an indifferent attitude towards everything, until Lu Zhou walked into her life openly.
Lu Zhou - He once thought that Yan Yu was just a passer-by in his life, but it was destined that Yan Yu would not be his passer-by, and he could not treat Yan Yu as a passer-by.
Cheng Zhong - Love that grows over time is bullshit, not the truth.
Yi Shu——witnessed Yan Yu's growth and Yan Yu's happiness.