a-by, doodle sensei (blue archive), sensei (blue archive), yuuka (blue archive), yuuka (track) (blue archive), blue archive, absurdres, commentary request, highres, 1boy, 1girl, barefoot, black shirt, blue jacket, blurry, blurry background, blush, breasts, clothes around waist, collarbone, drone, hair between eyes, halo, holding, id card, jacket, jacket around waist, large breasts, long hair, looking at viewer, mechanical halo, millennium science school logo, official alternate costume, official alternate hairstyle, open mouth, ponytail, purple eyes, purple hair, shirt, short sleeves, smile, soles, sportswear, star (symbol), star sticker, sticker, sticker on face, sweat, t-shirt, thighs