1girl, p, arknights, bare_shoulders, blue_sky, border, breasts, cowboy_shot, demon_horns, drink, from_side, hair_between_eyes, hair_rings, hand_up, holding, holding_drink, horns, long_hair, looking_at_viewer, lsy917, official_alternate_costume, one-piece_swimsuit, outside_border, purple_eyes, red_hair, sky, small_breasts, solo, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, tongue, tongue_out, very_long_hair, white_border, white_one-piece_swimsuit