Sirius sprinted up the Hallway, throwing bus jacket on as he went. He hadn't meant to be late, but he'd got caught up talking to some of the portraits and had lost track of the time.
He spotted Remus and Dora waiting for him, and put on his best chagrined puppy face. He knew it didn't work well on Moony, but maybe Dora wouldn't be immune to it yet.
"Hello lads! Sorry, was talking to mad old Sir Cadogan. Thought he might know what was going on. He knew fuck all, unfortunately, but it took him a damn long while to tell me that."