yuuka (blue archive), blue archive, artist request, commentary request, highres, official art, 1girl, bare shoulders, black dress, breasts, calligraphy brush, china dress, chinese clothes, cleavage, cleavage cutout, closed mouth, clothing cutout, dress, eyewear on head, glasses, gloves, halo, holding, holding brush, long hair, looking at viewer, medium breasts, official alternate costume, paintbrush, ponytail, purple eyes, purple hair, round eyewear, smile, solo