1girl, aoliaobingxiaogan_o, arknights, bare_shoulders, bathing, bikini, black_bikini, black_choker, breasts, choker, cleavage, collarbone, cross, cross_necklace, earrings, grey_hair, horns, jewelry, long_hair, mudrock_(arknights), mudrock_(silent_night)_(arknights), navel, necklace, night, night_sky, official_alternate_costume, outdoors, parted_lips, partially_submerged, photoshop_(medium), pointy_ears, red_eyes, sky, solo, swimsuit, upper_body, very_long_hair, water