Taking on the Responsibility of Saving the Female Supporting Character [Quick Transmigration]

'''Song Lingshu suddenly bound herself to a system, tasked with maintaining order in countless small worlds filled with resentment. And this resentment came from the female supporting characters. In short, she had to resolve their grievances and pains before she could return home. World One: Song Lingshu found herself in a dating show novel, playing the most hated green tea (scheming) female supporting character. System: [Tonight’s task is to write a letter to the contestant you like.] Song Lingshu turned around and wrote the letter to her roommate instead. Roommate: ? Other contestants: ? World Two: This was a Mary Sue novel where the female lead came from a poor family but caught t...