Age: 16 From London, born and raised, rival to the main heroine. 

She's a bit of jerk raised by a family of royals, due to her attitude and superiority complex, Lumina was forced to attend the academy with her best friend to be a better person. She's often made fun of for not having pupils in her eyes and she has a fear of snakes, her main weapons are two twin pistols that fire magic-made bullets.

Go with any type of voice you'd like, as long as it's British.