Entered a Copy by Mistake? She Started by Killing S-Class Monsters!

[No cp + unlimited streaming + the strongest female protagonist + the center of focus at the beginning] When Cheng Xiran woke up, he found himself in a copy. He only remembered that he was a seventeen-year-old ordinary high school student, and the rest of his memories were blurry. She parachuted into the already full novice copy and became the sixth person who shouldn't exist. Later, this ordinary high school student used a novice iron sword to kill an S-level hidden boss in a locked-up state in his first dungeon. His debut immediately caused a sensation in major guilds, and the most discussed topic on the forum was always related to her. Copy 1: [You cover up your unbearable lies and use them as nutrients to bear the fruits of corruption. In this confrontation, let me dig out your festering sincerity for now] Copy 2: [The tears of the clouds and stars are still rooted there, the gray-blue call is falling, the old train is moving slowly, confused people, please take my soul back to my hometown] Why did she suddenly appear here out of thin air? Why was she able to enter the dungeon when she was under eighteen? Why does she log into a fully populated dungeon every time? Why are all the copies she has experienced so bizarre and broken? Why do both players who had a favorable impression of her from the beginning, or players who had ill intentions towards her from the beginning, admire her in the end? When all the secrets and past come to light, everyone knows why. She stands there: she will not wither for a thousand years; if she withers, she will not fall for a thousand years; if she falls, she will remain immortal for tens of thousands of years. [If you mind that the heroine is a high school student, you can take a look first, there may be unexpected results]