Millsy describes herself as a curious, energetic, and funny person. She is also said to be very loving towards her older sister.
Not much is really known about her past, though she has a passion for flying on the Wycademy Ship Recon and seeing the beautiful skies.
Millsy wears a cute black dress, cat ears, and hangs onto a bag that resembles a Melynx. Her hair is brown in color.