i'll be alright, just not tonight (гет)

“Congratulations are in order, it seems,” a deep and unexpected voice shook her from her thoughts.
Hermione glanced up at Severus Snape, securing her well trained smile into place. “Oh, yes, thank you.”
Hermione hadn’t expected Romilda would have invited him. Yes, Severus was part of their department, but he hardly interacted with the rest of them, and she didn’t think this was his scene any more than it was hers.