To give you an idea on where i'm going with this -- I was specifically wondering if Ayane and Makoto had any meaningful interactions/experiences with eggs prior to showing up on the rooftop during a reset.
Also curious about intact eggs vs eggs that are accompanied by the sound of an egg cracking. Because that sound effect is common within the game -- moreso than the visual of eggs themselves.
I'm like 95% sure Makoto has never been egged, but her whole thing is language involving birds. Obviously that's different and has its own meaning, but there could be some kind of extra connection or hidden meaning there. She's likened to a baby bird, almost. Ayane I don't believe has ever egged, but I'm less sure.
Also, there's egg time madness, where four girls toss an egg at each other and Sana fucking dies (except not really.) Three of those girls, Sana, Ayane, Tsuneyo, have some connection to wires, hope, or the rooftop apocalypse squad / reset. Molly seems to be the odd one out, though. And that event chain had a lot of illogical shit happen around the same time, like the live alligators, and the death ball, and it's entirely unexplained how Imani just did that. Was most of that probably comedic relief and dramatization, and is it a complete stretch to make any connection to that egg-related event? Probably.