This Witch Transmigrated into the Romantic Novel’s Supporting Role

In the book "The Sweet Wife of the Campus Heartthrob", Chu Yang was an extremely capable female supporting character. She came from a poor family and had a weak and delicate appearance. She followed the main couple around pretending to be pitiable while secretly trying to sabotage their relationship so she could take the female lead's place. Later her true colors were revealed and she was spurned by everyone. When she fell ill, there was no one to take care of her and she died alone in her shabby little shack. By the time her body was discovered, it had already started to decay. Chu Yang, a witch who had transmigrated into the book: ...Crash! Why bother with men! Making money is so much better than chasing men. Much later, Chu Yang secretly felt up the abdominals of the man next to her: Mmmm, sometimes playing with men is pretty nice too. Chi Yan, who had just woken up, felt his ears turn red: My girlfriend seems to really like my abs, I should work hard to maintain them...