I've been thinking of this today.
It was Julia angel first going home and sitting in the hallway and waited. So were the others with her.
None of the angels had packed some of their stuff in advance, so there seemed to be a spontaneous action that they left the apartment. The last angel initially moved all their stuff into Kristy's room, but they brought and left little for the other two. Wish Kitek had overheard what happened ...