(Link to full art)

Riley is the heroine of Valkyria Chronicles 4, and a childhood friend of Claude, Raz, and Kai. She is member of the Edinburgh Army 101st Division No. 1 Battle Brigade No. 32 Armored Leisure Battalion's Heavy Weapons Support Team and holds the rank of second lieutenant. 

Positive and cheerful, she pushes forward in every situation without fear of failure, and her optimistic nature makes her a source of morale amongst her comrades.

For Riley, I envision a Medium to Medium-High female voice. She should like an average, if somewhat youthful young woman, and she needs to be able to convey strong emotions convincingly. However, please note that her voice is open to other interpretations!