1girl, arknights, arm_up, bare_shoulders, bikini, black_choker, blue_sky, breasts, choker, cleavage, cloud, collarbone, cowboy_shot, criss-cross_halter, day, detached_sleeves, hair_between_eyes, hair_ornament, halterneck, hand_up, horns, large_breasts, long_hair, looking_at_viewer, navel, official_alternate_costume, outdoors, parted_lips, purple_eyes, red_hair, side-tie_bikini_bottom, sky, solo, standing, star_(symbol), star_hair_ornament, stomach, stratoz, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thigh_strap, thighs, very_long_hair