oukawa yuu, original, highres, 1girl, ascot, black jacket, black sailor collar, blush, book, bookshelf, brown hair, chair, closed mouth, collared shirt, desk, green eyes, hair ornament, hairclip, hand on own face, indoors, jacket, library, long hair, long sleeves, looking at viewer, on chair, paper, red ascot, sailor collar, school uniform, scroll, shirt, sitting, skirt, smile, solo, sparkle, table, white shirt, wooden table, x hair ornament