setsuna rio, shu (arknights), arknights, highres, 1girl, aqua eyes, blonde hair, blue hair, bouquet, breasts, bride, china dress, chinese clothes, cleavage, dragon girl, dragon horns, dragon tail, dress, earrings, eastern dragon horns, eastern dragon tail, flower, hair flower, hair ornament, holding, holding bouquet, horns, jewelry, long hair, looking at viewer, medium breasts, navel, open mouth, smile, solo, tail, tassel, tassel earrings, very long hair, white hair