View reference image

What is in the image:

WDTagged Character: yuuka (blue archive)

WDTagged Tags: 1girl, solo, halo, official alternate costume, ass, breasts, shirt, looking at viewer, long hair, black shirt, ponytail, buruma, blush, short sleeves, purple hair, indoors, open mouth, mechanical halo, blue eyes, purple eyes, looking back, medium breasts, window, thighs, sketch, straddling, gym uniform, large breasts, parted bangs