onibi (will o wisp24), arona (blue archive), blue archive, commentary request, highres, 1girl, :d, arm up, blue eyes, blue hair, blush, braid, choker, collarbone, colored inner hair, hair over one eye, hairband, looking at viewer, multicolored hair, open clothes, open mouth, pink hair, portrait, ribbon, shirt, short hair, simple background, single braid, smile, solo, teeth, two-tone hair, upper body, upper teeth only, white background, white choker, white hairband, white ribbon, white shirt