1girl, arknights, bikini, black_bikini, breasts, burnt_clothes, criss-cross_halter, demon_girl, demon_horns, food, hair_ornament, halterneck, horns, ice_cream, k@bu, large_breasts, long_hair, looking_at_viewer, navel, official_alternate_costume, partially_submerged, purple_eyes, red_hair, single_hair_ring, sitting, smile, solo, star_(symbol), star_hair_ornament, stomach, sundae, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, swimsuit_cover-up, thigh_strap, water