yrn c2o, yuuka (blue archive), yuuka (track) (blue archive), blue archive, commentary request, highres, translation request, 1girl, black halo, black shirt, blue jacket, blush, breasts, closed mouth, dot nose, embarrassed, grabbing own breast, gym uniform, halo, jacket, large breasts, long hair, mechanical halo, off shoulder, official alternate costume, official alternate hairstyle, parted bangs, purple eyes, purple hair, shirt, simple background, solo, star (symbol), star sticker, sticker, sticker on face, sweatdrop, upper body, white background