During the first major mission or expedition, you will face a "Trust Check."
Progression is often "locked" behind other characters' events. Focusing on one character at a time is the fastest way to unlock specific scenes. attack on survey corps walkthrough
If you are stuck, try interacting with her during the evening or removing her blanket while she sleeps at night to trigger a late-night event involving a "spy" at the window. During the first major mission or expedition, you