thejx 063, yuuka (blue archive), yuuka (track) (blue archive), blue archive, absurdres, highres, 1girl, arm support, ass, black halo, black shirt, blue eyes, blush, buruma, from behind, gym uniform, halo, leaning forward, light smile, long hair, looking at viewer, looking back, mechanical halo, official alternate costume, official alternate hairstyle, ponytail, purple hair, red buruma, shirt, short sleeves, sidelocks, solo, thighs, track suit