My Cure Is A Rainbow (Steve saga favremyrainbow fanfic)

Thanks to @xxfanficwolfxx for helping with the title and storyline I wanted to do a Steve saga favremyrainbow
Sabre and Lucas are brothers in this so yeah don't say "Lucas and Sabre aren't related" because in this they are

Sabre has depression , anxiety and anger issues and when he goes to Steve realm he meets rainbow what happens next