1boy, 2girls, arknights, beach, bikini, black_bikini, black_hair, blue_sky, breasts, cleavage, cloud, cocktail_shaker, cup, day, drinking_glass, elysium_(arknights), elysium_(shimmering_dew)_(arknights), eyewear_on_head, food, hammock, holding, holding_spoon, horns, ice_cream, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), long_hair, looking_at_viewer, maria_(syake-uni), multiple_girls, navel, official_alternate_costume, outdoors, palm_tree, purple_eyes, red_hair, short_hair, sitting, sky, spoon, sunglasses, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thigh_strap, tree, white_bikini, white_hair