When Someone Transmigrates and Meets Someone Reborn

Two Female Leads, Extra Chapters, and a Secondary Couple

I want books like The Pure-Hearted Female Lead Is Being Seduced by the Sick Villain. There was a book with two female leads, and one of the side couples had a woman surnamed Yu and a woman surnamed Cheng. The one surnamed Cheng was a college student, I think her name was Cheng Ke. Yu kept Cheng as her sugar baby. I remember an extra chapter where Yu told Cheng not to...