Female Supporting Characters Don't Take the Usual Path [Quick Wear]

In novels, the female partner who wins the game at the beginning will always suddenly turn into a love brain, and she will smash her good cards to pieces. She will either become a stepping stone for the protagonist, or become a catalyst for the relationship between the male and female protagonists. Are all the handsome guys dead? Do you have to keep an eye on such a tough guy? Is it because the food is not delicious or the money is spent that makes you unhappy? Why do you have to commit suicide? What does a female supporting role look like when she doesn't take the usual path? *The heroine cheated Intention: Continuous self-improvement