"Harrow," he says, a little cautiously, as if to be certain she means it.

"I am Lan Zhan, courtesy Wangji. Most people--"

Everyone, in fact, who doesn't call him by one of his titles or who isn't Wei Ying.

"--call me Wangji."

He leaves off his family name, as he's explained it before. If she chooses not to use it, well, they are not disciples near in age of the same sect, but in the odd ways of this place perhaps it would be fitting all the same.