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.
Oh, I forgot!
‫نسيت!
Oh, stimmt ja!
¿Eh? ¡Se me olvidó!
¡Ahivá, se me olvidó!
Oh, giusto!
Hã? É mesmo!
Ой, совсем забыл!