2girls, arknights, ball, bare_shoulders, barefoot, beachball, bikini, black_hair, breasts, chain, detached_sleeves, drinking, hair_intakes, horns, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), long_hair, long_sleeves, looking_at_viewer, misteltein, multiple_girls, off_shoulder, official_alternate_costume, outdoors, purple_eyes, red_hair, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thighs, very_long_hair