1girl, alternate_costume, arknights, bare_shoulders, black_choker, black_dress, breasts, choker, cleavage, closed_mouth, collarbone, dress, grey_background, hands_on_own_chest, horns, kokao358, long_hair, looking_at_viewer, photoshop_(medium), purple_eyes, red_hair, simple_background, sitting, solo, strapless, strapless_dress, surtr_(arknights), very_long_hair