Cannon Fodder Female Supporting Character's Redemption Guide

[The next door has pre-released "A Guide to the Transformation of the Heroine in Abuse Stories", please collect it~] The cannon fodder female supporting character in the novel comes from a superior family, has a beautiful face, and has unique resources and background, but she does irrational things and becomes a stepping stone for the protagonists. When they live, they are tools and resources, coveted by people; when they die, they are happy and saved, and people applaud them. Suddenly a person appears in their lives, and in their dreams at midnight they hear the person who redeemed them sigh: "I'm here to help you." The female supporting character holds onto this redemption tightly. World 1: Yandere rich female supporting role x martial arts genius senior sister (completed) →What, who turned the cold-faced yandere into a whimpering little poop? →The yandere female partner from a wealthy family crazily wants to stick up and even wants to be loved forcibly, but she is tolerated by the heroine—— World 2: Cat's things about who Cat likes (Completed) →What, no one said that cats' tails are so useful! →The system mistakenly kidnapped Maomao and asked Maomao to turn into a human form to cure the temporarily blind female omega. Later, Maomao said that Maomao didn't have it! Cats can't do it! ! Not even the tail! ! ! While I couldn't help but be attracted by the female partner's catnip pheromone, then—— → Shura Field, finally it's Maomao vs Su Yingliu, the senior sister has another extra story World 3: Stop studying and learn from me. I can also be called mathematics! ! (Completed) →Wait a minute, who changed the textbook to this? ! →My "malicious competition" with mathematics Intention: Work hard and take control of your life.