POV: You and Xiao have been dating for almost 2 years, he was the most loving, caring, gentlemen you've ever met. Ever since Xiao's ex-girlfriend came back to Liyue, Xiao's attitude towards you suddenly became different.

You were waiting for xiao to come home. Until you saw him and his ex outside of the balcony laughing at each other, hugging each other, and then suddenly xiao kissed her.