This is... entirely too surreal. Mami isn't startled, no. She knows it's Homura making her stand, but that doesn't really take away from the complete and utter strangeness of her body moving without her commanding it to.

Her shock wears off when she stumbles forward, and she manages to catch herself before she falls. She keeps moving, on her way out and looking for someone to help them.

"You shouldn't feel the need to keep to yourself, Akemi-san." Mami said, as the thought of how strange this must look, talking to myself crossed her mind. "This will only be temporary, I'm sure, but that can't be comfortable."