Minerva is the new headmistress,

You hover nearby-unsure whether to introduce yourself or not.

Minerva must sense your dilemma for she suddenly appears by your side. “That,” she says in a low voice, nodding her head to the man, “Is Sev-” Minerva said.

“I am perfectly capable of introducing myself,” the severus says in a grumbling tone and you jump.

His own glitter like black coals as he surveys Minerva and you, before, in one swift movement, he quickly abandons the chair. He comes across to you in a slow, stalking movement, drawing his cloak around himself as he does such a thing.

“Severus Prince Snape.” His lip quirks. He holds out a pale hand.