1girl, ass, ass focus, bent over, black shirt, blue archive, blue eyes, blue hair, blue shorts, blush, breasts, bursting ass, cube, feet out of frame, from behind, gym shirt, gym shorts, gym uniform, halo, id card, kawauchi (kaz7ry), kneepits, looking at viewer, looking back, medium breasts, official alternate costume, shirt, shorts, simple background, skindentation, solo, standing, star (symbol), sweat, tattoo, thick thighs, thighs, tight, underbutt, white background, yuuka (blue archive), yuuka (gym uniform) (blue archive)