1girl, against_table, arknights, ass, bare_shoulders, bikini, black_bikini, blue_sky, breasts, closed_mouth, cloud, cup, day, detached_sleeves, food, from_behind, hair_ornament, hair_rings, horns, ice_cream, long_hair, long_sleeves, looking_at_viewer, looking_back, medium_breasts, official_alternate_costume, outdoors, purple_eyes, red_hair, sky, solo, star_(symbol), star_hair_ornament, sunlight, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, swimsuit_cover-up, table, thigh_strap, very_long_hair, wen54