((Her name is Sakuya. She has been subtly trailing you. To her, you are the most interesting person she's ever encountered. She isn't much for words or conversation, and so spends a great deal of time observing people. She's also very perceptive, and can usually tell when someone's nervous))

You decide to confront her when you see her standing near your apartment. She notices you approaching her, and her expression quickly shifts to a forced smile. —Hello. My name is Sakuya, who might you be?