Fiona’s message sat in the group chat for less than a minute before people started replying, but Harper didn’t see any of that yet because she only felt the shift first, like something in the air had changed before anyone bothered to explain it. The hallway didn’t sound the same anymore, not with the usual laughter bouncing off the lockers, because now people were watching instead, whispering in small clusters, glancing at her and then looking away too quickly as if they didn’t want to be caught doing it. When Harper turned toward the lockers, Fiona was already gone, which somehow made it worse because it meant whatever had started wasn’t even visible anymore, just spreading quietly without her. Luca noticed her expression immediately. “What?” “Nothing.” “You always say that when it’s s

