Katsute Mahou Shoujo to Aku wa Tekitai shiteita.: Season 1, Episode 4

1 - 4: A Habit of Chasing What Moves

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.