1girl, arknights, bare_shoulders, bikini, black_choker, black_ribbon, blush, breasts, choker, cleavage, collarbone, criss-cross_halter, detached_sleeves, gradient_background, hair_ornament, hair_rings, halterneck, helan, horns, large_breasts, long_hair, long_sleeves, looking_at_viewer, navel, official_alternate_costume, orange_eyes, parted_lips, red_hair, ribbon, side-tie_bikini_bottom, sitting, smile, solo, spread_legs, star_(symbol), star_hair_ornament, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, swimsuit_cover-up, very_long_hair