1girl, alc.3vol, aqua_headwear, arknights, arm_up, bare_shoulders, dress, grey_background, grey_hair, hat, long_hair, looking_at_viewer, official_alternate_costume, open_mouth, red_dress, red_eyes, skadi_(arknights), skadi_the_corrupting_heart_(arknights), solo, upper_body, wide_sleeves, witch_hat