Jesus likes it kinky

SOMEONE PLEASE HELP THIS IS IMPORTANT!!!!!
          	
          	Ok can someone please find me that destial book where cas is like a royal omega and is super badass and has an awesome wolf form, dean is alpha, cas likes different alpha but dean and him are supposed to be married or sum. And I think Charlie is a dragon idk. PLEASE I NEED TO FIND IT‼️‼️‼️‼️‼️