amataro21, millennium science school student (blue archive), millennium science school student b (blue archive), blue archive, commentary, highres, 1girl, ahoge, blue background, blue eyes, blue hairband, blue halo, blue necktie, blunt bangs, blush stickers, bright pupils, chibi, chibi only, coat, collared shirt, grey hair, hair over one eye, hairband, halo, lab coat, long hair, looking at viewer, necktie, no mouth, notice lines, one eye covered, open clothes, open coat, outline, school uniform, shirt, simple background, sleeves past fingers, sleeves past wrists, solo, upper body, very long hair, white coat, white outline, white pupils, white shirt, wide sleeves