C44 It's Her Little Sun.

"Speaking of this, I have a question that I want to ask my sister." Since they had already torn apart their relationship, Renee could not be bothered to pretend to be nice to her anymore. She directly broke the ice and asked with a smile, "That night four years ago, why did I lose my mind after drinking the wine that my sister gave me?"

Sina's expression changed.

"Renee