1girl, d, arknights, blue_sky, breasts, demon_horns, food, holding, holding_food, horns, ice_cream, ice_cream_cone, medium_breasts, narugrm, official_alternate_costume, purple_eyes, red_hair, single_hair_ring, sky, smile, solo, star_ornament, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit_cover-up, upper_body