1girl, arm behind back, arm behind head, bangs, black bra, blue archive, blue buruma, blue eyes, blue jacket, blue shirt, blush, bra, breasts, buruma, clothes lift, cowboy shot, crop top, half updo, halo, jacket, lanyard, lifted by self, long hair, looking at viewer, midriff, navel, official alternate costume, open clothes, open jacket, parted lips, pinki o64, purple hair, shirt, shirt lift, short sleeves, simple background, solo, standing, stomach, sweat, underwear, white background, yuuka (blue archive), yuuka (gym uniform) (blue archive)