2girls, d, ahoge, arknights, bad_pixiv_id, barefoot, beach, bikini, black_bikini, black_hair, blonde_hair, blue_eyes, breasts, brown_eyes, cleavage, crocodilian_tail, drink, drinking_straw, eunectes_(arknights), feet, flower, goggles, goggles_on_head, hair_flower, hair_ornament, hair_over_one_eye, hand_up, holding, holding_drink, innertube, large_breasts, legs, lifebuoy, long_hair, looking_at_viewer, lying_on_person, multicolored_hair, multiple_girls, official_alternate_costume, outdoors, palm_tree, rubber_duck, short_hair, skindentation, smile, songchuan_li, spread_toes, streaked_hair, swimsuit, tail, thighs, toenails, toes, tomimi_(arknights), tree, two_side_up, water