立ち絵, 立绘, characterdesign, sprite, 1girl, yuuka (blue archive), halo, drone, official alternate costume, jacket, buruma, water bottle, bottle, solo, phone, white background, long hair, track jacket, shirt, blue jacket, looking at viewer, holding, purple hair, cellphone, full body, simple background, id card, purple eyes, lanyard, off shoulder, black shirt, holding phone, blue buruma, shoes, standing, gym uniform, ponytail, bangs, sticker on face, breasts, holding bottle, black footwear, closed mouth, smartphone, from side, blush, blue eyes, jacket partially removed, long sleeves, parted bangs