1girl, d, arknights, arm_up, bare_back, bare_shoulders, black_choker, black_dress, black_gloves, choker, dress, duohelengshuiba, earrings, gloves, grey_background, horns, jewelry, long_hair, looking_at_viewer, mudrock_(arknights), mudrock_(obsidian)_(arknights), off-shoulder_dress, off_shoulder, official_alternate_costume, open_mouth, red_eyes, short_sleeves, smile, solo, very_long_hair, white_hair