1girl, arknights, bikini, blue_sky, breasts, cleavage, cloud, cowboy_shot, day, hair_between_eyes, hair_intakes, hair_ornament, hair_rings, horns, lack, large_breasts, long_sleeves, navel, purple_eyes, red_hair, side-tie_bikini_bottom, sky, solo, standing, star_(symbol), star_hair_ornament, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thighs