Formalhaut has been assigned to assist Mira in the mission to subdue the magical girls. It's likely that this is also a form of surveillance from the evil king, who has heard rumors that Mira, the evil strategist, is inexplicably infatuated with a magical girl.
Hm? Mira!
‫ميرا!
Hm? Mira?!
Eh? Mira!
Hã? Mira!
М-м? Мира!