1girl, arknights, bare_shoulders, bikini, black_bikini, black_choker, black_ribbon, blue_sky, blush, breasts, choker, cleavage, collarbone, cowboy_shot, criss-cross_halter, day, detached_sleeves, hair_ornament, hair_rings, halterneck, horns, leaning_forward, long_hair, long_sleeves, looking_at_viewer, navel, official_alternate_costume, outdoors, parted_lips, photoshop_(medium), pink_eyes, red_hair, ribbon, skindentation, sky, solo, star_(symbol), star_hair_ornament, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thigh_strap, usagi_(786113654), very_long_hair