caff (aosui9), noa (blue archive), blue archive, commentary, highres, 1girl, arms behind head, arms up, black pantyhose, blue necktie, blush, breasts, closed mouth, cowboy shot, formal clothes, halo, headgear, heart, jacket, large breasts, long hair, long sleeves, looking at viewer, mechanical halo, millennium science school logo, necktie, one eye closed, pantyhose, purple eyes, simple background, skirt, solo, suit, two-sided fabric, two-sided jacket, white background, white hair, white halo, white jacket, white skirt, white suit