1girl, ao_oni_(onioni-aoi), arknights, bare_shoulders, circlet, clothing_cutout, detached_sleeves, dress, empty_eyes, grey_hair, hand_on_own_neck, long_hair, long_sleeves, looking_at_viewer, lying, navel_cutout, no_headwear, on_back, parted_lips, photoshop_(medium), red_dress, red_eyes, scar, skadi_(arknights), skadi_the_corrupting_heart_(arknights), solo, upper_body, water, wide_sleeves