xiaoxiaoyifan, yuuka (blue archive), yuuka (track) (blue archive), blue archive, absurdres, commentary, highres, 1girl, arms behind head, bare legs, barefoot, black buruma, black halo, black shirt, blue eyes, blush, breasts, buruma, closed mouth, frown, full body, furrowed brow, gym shirt, gym uniform, half updo, halo, holding, holding own hair, id card, large breasts, legs, long hair, looking at viewer, mechanical halo, midriff, millennium science school logo, official alternate costume, official alternate hairstyle, parted bangs, ponytail, purple hair, red pupils, shirt, short sleeves, simple background, solo, star (symbol), star sticker, sticker, sticker on face, straight hair, sweat, thighs, very long hair, white background