[Naoto practically jumps in her seat when Jack comes into the room, an embarrassed look quickly spreading across her face. It doesn't surprise her at all to see him here, he is the music teacher after all and she is playing in the music room. She was just too caught up in her own thoughts moments prior.
[Action]
Relaxing after a moment, she shakes her head.]
N-No, you weren't. I was simply tuning it.