1girl, arknights, black dress, black headwear, breasts, bright pupils, bubble, chis74, dress, fangs, floating hair, hat ornament, long hair, long sleeves, looking at viewer, official alternate costume, open mouth, red eyes, small breasts, solo, specter (arknights), specter the unchained (arknights), straight-on, teeth, underwater, upper body, very long hair, water, white hair, white pupils