Black*Star had been looking for Soul and found her working in one of the book shops. She's about to say something along the lines of 'isn't this Maka's thing?' but stops short when she sees that Soul's on the phone and looking moderately unsettled.

"Nope," she says instead, planting her feet in front of Soul and grabbing for the phone. "Who is this, and the fuck you bothering my best friend for?"