sudachi (calendar), megurine luka, vocaloid, commentary request, highres, marker (medium), traditional media, 1girl, black shirt, blue eyes, blue nails, brooch, brown sleeves, brown trim, closed mouth, detached sleeves, gold trim, hand up, headset, jewelry, long hair, looking at viewer, pink hair, shikishi, shirt, simple background, sleeveless, sleeveless shirt, smile, solo, tsurime, two-tone sleeves, watermark, white background, yellow sleeves