I think it's safe to assume that Peter got in contact with Kageo at some point but it wasn't shown in the story so that Kageo would take over Peter's place
I’m crying omg I’m so glad I haven’t been reading this since the very beginning because I swear my heart would be even more broken over the fact that it ended
His brother is soooo WOOF WOOF WOOF BARK BARK MEOW MEOW MEOW QUACK RIBBIT SQUEAK