Mutsumi Inomata
Mutsumi Inomata was chosen to design Milla due to her strength in designing cool women. Inomata stated Milla's hair was the most difficult part to design and was adjusted multiple times during development. The development team wanted Milla to be devoid of feminine feelings but were overruled by the female staff. Since her debut, Milla ranked on the "Tales" character popularity polls. She appears in "" as a playable character.