Broken Bonds - A Piggy AU

Slight Warning: This story contains depictions/mentions of blood, murder, child abuse, etc.
This is an alternate universe of the second book of the Roblox game Piggy. Credits to Minitoon for most of the character concepts and universe.
The story starts off from Book 2 Chapter 2, as usual, but when Pony, Zizzy, Mimi and Brayden (the player) get back from the store, they discover a horrifying sight. Their group begins to dwindle down as traitors emerge and disaster strikes.
Meanwhile, Tigry is having his own problems. His group has never liked him, but what's pushing him away is that his leader and only remaining friend, Willow, has been turning against Tigry, treating him like a piece of rubbish. Worst of all, someone else has been watching him, and they're set on making Tigry's life even more difficult- at least, that's how Tigry sees it.
Willow, on the other hand, is going overboard. She's been pacing with schemes ever since her worst enemies had came back into her life. And she'll do anything for revenge.
Anything to reconnect her one bond with her brother, held on by a single thread of hope.
Even if she has to break many other bonds along the way.
And beyond the world they all live in, is a man collecting all those broken threads, trying to stitch them together into a tapestry all his own. A canvas that could never unravel.
Or so he thought.