1girl, ass, bangs, black shirt, blue archive, blue buruma, blue eyes, blush, breasts, buruma, facial mark, from behind, halo, id card, jacket, lanyard, long hair, looking at viewer, looking back, open clothes, open jacket, parted lips, ponytail, purple hair, sakura yuki (clochette), shirt, short sleeves, simple background, sketch, solo, star (symbol), star facial mark, sticker, sticker on face, symbol-only commentary, very long hair, white background, yuuka (blue archive), yuuka (gym uniform) (blue archive)