1girl, arknights, arm_up, bare_shoulders, black_choker, breasts, cake, cake_slice, choker, cleavage, demon_horns, falling_petals, food, gradient_background, grey_hair, hair_ornament, happy_birthday, holding, holding_cake, holding_food, holding_plate, horns, jewelry, large_breasts, long_hair, looking_at_viewer, mudrock_(arknights), mudrock_(obsidian)_(arknights), necklace, official_alternate_costume, petals, plate, pointy_ears, red_eyes, simple_background, smile, solo, upper_body, white_background, yuwan1241