What, no disappointed surprise at seeing her alive? No taking the chance to rub it in her face how she was right and Mami's a failure as a Puella Magi for not realizing it? Color her surprised. The only thing that gave away this surprise was a slight raise of the eyebrows, though.

"It's usually considered polite to greet a person before you start asking questions, Akemi-san." She said with that light, almost teasing tone in her voice.