Female Supporting Characters Cannot Be Good People, They Can Only Be Their Masters

[Korean aristocratic academy background + heartthrob + heroine loved by everyone + multiple male protagonists 1V4 + heroes competing in Shura field + dog training literature + hypocritical heroine, not a pure evil girl, not a cool novel, not a great heroine, slow-paced style] Jiang Xiuzhi, the top chaebol lady in Gangnam District, is bound to the "dog training system". The system told her that she was just a vicious female supporting character in a comic book, and that the heroine was her father's illegitimate daughter Jiang Zaiyan. Kang Jae-yeon will take away her fiancé, everyone close to her, including her identity as heir. If she wants to change her destiny, she must train all the popular male characters in the comics to become her "obedient dogs". Dog Training Strategy If the favorability value reaches 100%, then the other party will never be able to betray her. ———— Dog training theater: The heroine just breathed, and the four men licked her one by one. The arrogant mad dog fiance, with scarlet eyes, said, "Xiuzhi, why can't you just love me?" A bankrupt and broken ex-boyfriend, his voice hoarse: "Please don't give up on me, don't... Don't like me." The impoverished, intelligent and talented man could not restrain himself and said: "My dream is you. I will give up everything for you. Please look at me." The illegitimate child of Green Tea said in a weak voice: "The mistress is the one who is not loved. I don't want the status. I just hope that Miss Xiuzhi will not drive me away."