Nova Mortis shakes her head, quite firmly for once.

"You were perfect. I'm the one who messed up."

She's...not sure she knows how to process what she's feeling right now. Maybe it was a mistake to play that song, to bring back memories too close. She isn't afraid of Natalia, but she feels suddenly overwhelmed. It's too much.
She stands up abruptly, clutching her guitar to her chest. 

"I need to go."