1girl, arknights, bikini, black_choker, breasts, choker, cleavage, criss-cross_halter, groin, hair_intakes, hair_rings, halterneck, horns, long_hair, looking_at_viewer, medium_breasts, navel, official_alternate_costume, purple_eyes, red_hair, side-tie_bikini_bottom, smile, solo, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, very_long_hair, wuke_euco