1girl, ahoge, arknights, ball, beachball, bikini, black_hair, blue_eyes, blush, breasts, cleavage, cowboy_shot, hair_between_eyes, hair_ornament, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), large_breasts, looking_at_viewer, megaphone, navel, nayuko_(wuyou_nayuko), official_alternate_costume, plant, pool, short_hair, solo, stomach, swimsuit, thighs, water, wet, white_bikini