1girl, arknights, armpits, arms_up, bikini, black_choker, breasts, buyaomoyubuyaomoyu!, choker, cowboy_shot, criss-cross_halter, detached_sleeves, hair_between_eyes, halterneck, horns, long_hair, looking_at_viewer, navel, purple_eyes, red_hair, sidelocks, simple_background, solo, standing, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thigh_strap, thighs, very_long_hair, white_background