1girl, arknights, arm_up, bare_shoulders, bikini, blue_sky, blush, breasts, cleavage, cloud, cowboy_shot, day, detached_sleeves, hair_rings, hat, horns, long_hair, looking_at_viewer, medium_breasts, navel, outdoors, purple_eyes, red_hair, shading_eyes, sitting, sky, solo, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thigh_strap, thighs, unworn_hat, unworn_headwear, very_long_hair, white_headwear, wimi