Cassie flashed a smile at the girl who was actually from Abnegation before throwing herself onto the train after Kon, combining Nico's genuine performance with some of Kon's acted one into an awkward-looking bellyflop. She scrabbled the rest of the way in without aid of the door and staggered to the side to flop down against one of the walls.

"Woo!" she said breathlessly, legs sprawled out in front of her. "That was bracing!"

The girl actually from Abnegation followed her in, just as they lost the last of the platform. Cassie grinned at her, but didn't congratulate her out loud.