My Other Self in Another World Is a Big Shot

[Self-cest] Lin Ran transmigrated into a high-martial-arts world. A jumble of different races, mysterious forces awakening, swordsmanship interwoven with magic, powerful figures everywhere, and the weak living worse than dogs. Lin Ran: "..." So how is a weakling of a human supposed to survive in another world? Don't worry! Luckily, everyone in this world was blind and mistook her for some super-powerful big shot. To save her own life, she put on a secret identity and acted ice-cold, tossing out lines like, "Are you trying to tell me what to do?" And just like that, her life as a con artist went swimmingly. But one day, Lin Ran finally couldn't keep up the act. The enemy laughed. "Let's see just how capable this legendary person really is!" Lin Ran: "..." I'm just a weakling! What the hell are you coming over here for?! Then In the next second, the enemy's head was sliced off. A person holding a bloodied sword, with the exact same face as hers, said coldly, "I hear you've been pretending to be me?" Lin Ran: "..." Theme: Narcissistic romance