2girls, arknights, belt, black_belt, black_jacket, black_shirt, black_skirt, cowboy_shot, hand_up, hibiscus_(arknights), horns, indoors, infection_monitor_(arknights), jacket, jewelry, lava_(arknights), miniskirt, multiple_girls, navel, necklace, open_clothes, open_jacket, open_mouth, pleated_skirt, pointy_ears, purple_eyes, purple_hair, purple_skirt, ring, shirt, short_hair, siblings, sidelocks, sisters, skirt, standing, stomach, welt_(kinsei_koutenkyoku)