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.
I’ve known Mira for a long time.
‫أعرف ميرا منذ وقت طويل.
Mira und ich kennen uns schon ewig.
Je connais Miller depuis longtemps.
Conheço o Mira há muito tempo.
Мы с Мирой давние знакомые.