Once again, the door slid open.

It was open by.... Sierra? Yeah, Sierra! The sweet clever little girl he met at Diagon Alley. Was she lost or something? Or maybe she just had something to tell them prefects? Hope it wasn't trouble.

Cedric beetled his forehead, ruminatively thinking what in the world had brought Sierra to the prefects' compartment. The best option to do was ask.

"Hey Sierra! How are.. what brings you here?" Cedric grudged a grin, trying to decode what her facial expressions would say about her or about the current situation she was in.