an yb, yuuka (blue archive), blue archive, absurdres, commentary, highres, untranslatable commentary, 1girl, ankle socks, artist name, black gloves, black halo, black jacket, black skirt, black socks, black suit, blue background, blue eyes, blue hair, blue necktie, blush, book, character name, closed mouth, collared shirt, dot nose, dress shirt, formal clothes, full body, gloves, grey pupils, halo, headgear, holding, holding book, invisible floor, jacket, knees up, legs, light frown, long hair, looking at viewer, middle part, miniskirt, necktie, no shoes, open book, open clothes, open jacket, panties, pantyshot, parted bangs, partially open jacket, shirt, simple background, sitting, skirt, skirt suit, socks, solo, suit, suit jacket, two-sided fabric, two-sided jacket, two side up, underwear, v-shaped eyebrows, white jacket, white panties, white shirt