This chuuni bookworm is Maya from Wild Arms 3. At least in her usual form.

Her base prompt:

wa3-m4y4, large breasts, blonde hair, blue eyes, hair bow, blue bow, hair between eyes, long hair,

Her "outfit":

brown gloves, red ascot, cropped torso, orange dress, cross-laced clothes, orange shirt, long sleeves, orange jacket, belt, ribbon,

Her "weapon":

holding revolver,