1girl, arknights, bare_shoulders, bikini, breasts, cowboy_shot, criss-cross_halter, grey_background, hair_intakes, halterneck, horns, long_hair, long_sleeves, mea_(hwaksal), navel, official_alternate_costume, open_mouth, ponytail, purple_eyes, red_hair, simple_background, solo, standing, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thigh_strap, thighs