What in the world is Snape doing here!?

Snape blinked several times upon entering the room, like he couldn 't quite believe what he was seeing.

Honestly, Dazai was kind of doing the same. He 'd been half-expecting Blaise and Pansy to show up 'he knew they often skipped out on parties together. But Snape? The one professor Dazai knew would be prickly about his presence. Here?

Now?

Draco was shooting him increasingly frantic looks. Dazai almost wanted to return them, but he pulled himself together quickly. There was no space for mistakes. Not now.

'Severus, ' Dazai greeted, cheeky. 'What brings you here? '