1girl, armpit crease, black camisole, black hair, blush, camisole, cardigan, closed mouth, collarbone, desk, drawing tablet, embarrassed, holding, holding pen, long hair, long sleeves, looking at object, na-ga, nose blush, off shoulder, open cardigan, open clothes, original, pen, purple eyes, short shorts, shorts, single bare shoulder, sitting, solo, wavy mouth, white background