suumon, yuuka (blue archive), yuuka (track) (blue archive), blue archive, absurdres, commentary request, highres, 1girl, black shirt, blue buruma, blue jacket, breasts, buruma, cowboy shot, gym uniform, halo, hand on own hip, id card, jacket, lanyard, long hair, long sleeves, looking at viewer, mechanical halo, medium breasts, off shoulder, official alternate costume, open mouth, partially unzipped, ponytail, purple eyes, purple hair, shirt, short sleeves, simple background, solo, sweat, thighs, track jacket, white background