theories in JOLLY

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Since the Fantasy Animatronics Are Security Animatronics I might probably know I May be Wrong
Some theory for the Jolly Franchise

Hmmmm, moon symbol found in J4 latest post...
Theories:
1. It's just to say which night we are currently in
2. It works like a coin system?
3. Collectible?
I'm very curious about it lol

in the jolly 4 20000 followers teaser they are some letters that are bold saying "Decayed" my idea is that bc the jolly 4 jolly is a new jolly that the og Jolly 3 Chapter 2 jolly is what is referring the corspe that is inside jolly is Decaying


I don't understand story of the games so far and I'm wondering if Jollibees is still canon (maybe there is info in the books but can someone tell me what's going on)
Why I think we'll be playing as Theo in JOLLY 4.