Before the start! Who are you?

In this fic you are the 4th friend of the pack, forced to live all your days like they're your last, not sure if others are safe you go beserk, embracing brutality of Amphibia others could never even dream of.
I can't decide if there should be any love intrests here so I would love some feedback! [Will prob CROSSPOST TO AO3!! Just a heads up]