Spoiler alert:
I tested it, and it worked just fine. Did you answer her and let her in during the first encounter? Did you choose the scientist option? Maybe you gave the wrong answer when she asked you to guess her origin? 🤔 Also, the ‘thing’ is actually paper—sorry for any misunderstanding. 😅 I’m not sure where you might have answered wrong, so I hope this helps. If you’re still stuck, there’s a YouTuber who got all the endings—you can check out their video!