Okay this theory is about snow Boulder, Greyhop and a mysterious cat. So what I think is that snowboulder Had two mates Greyhop And the mysterious cat that you'll see in this Theory, now in one of the chapters Lucky Green says how can you move on so fast from Mom dying, and in another one Snowbolder says you don't think he's the only one do you to grayhop. So if you believe this theory make sure to give a like and fave
Thanks to @GazerOfStars for the original project ☆*☆Bound - Chapter 23☆*☆.