Transmigrated into a Game's Male Heartthrob

After being transmigrated into the identity of a game's male heartthrob, Ji Yu has to face one challenge after another: A powerful older brother who always picks fights with her A sworn rival she got to know through fighting A master with a split personality, practically two different people A major villain behind layers of schemes How can she, someone who was supposed to die right at the start, turn the tables and become queen? [The heroine disguises herself as a man]