1girl, arknights, ass, ass focus, bare shoulders, bikini, black bikini, black thighhighs, crocodilian tail, feihuanjiang, from behind, from below, gradient background, grey background, grey hair, long hair, long sleeves, scales, skindentation, solo, staff, swimsuit, tail, thighhighs, tomimi (arknights), torn clothes, torn thighhighs