Did you talk to Emma at her room at night? Pixie should tell you to do so if you talk to her and ask for help (if Pixie isn't telling you this, let me know - that would mean it's bugged).
I went to the discord and yes I needed to check on Emma at night. At this point Pixie was telling me that there was a lady waiting outside my apartment and that I should take a walk and return during the day.
