Shinichi winces internally at her reaction -- not that she'd be able to see any sign of emotion with the bandages still obscuring most of his face. Just the reaction he was hoping to avoid ...

He takes what he hopes will be the most disarming line, hoping to divert her panic, set her at ease by misunderstanding.

"Mere minutes ago. I heard the sound of your pen and could not resist seeing who might be busy at what is apparently so late an hour."