After Playing Matchmaker for My Ex, the Cold A Regrets

'''[Completed, with chapter comments enabled. New story in the column "Becoming the Fluffy Pet of a Yandere O" has begun serialization. Synopsis at the bottom—interested readers can check the column to bookmark. Mwah!] Cold, Wealthy Younger Puppy A × Gentle, Oblivious Designer Cat O Shi Li had been in love with her beta girlfriend Wen Yue for years when she was suddenly informed that Wen Yue was engaged to someone else. On the eve of the engagement, her coldly beautiful fiancée showed up at her doorstep and tossed a card in front of her. "I'm Wen Yue's fiancée. There's a billion on this card." Shi Li: *Getting paid to leave? This kind of luck actually happened to me?* The fia...