matsukura nemu, suika, flandre scarlet, izayoi sakuya, patchouli knowledge, remilia scarlet, touhou, silver hair, striped, 00s, 4girls, ass, bat wings, beach, beach umbrella, bikini, blonde hair, book, bow, braid, breast envy, breasts, chair, cloud, day, female focus, food, frilled bikini, frills, fruit, hair bobbles, hair ornament, hat, innertube, loli, looking back, lounge chair, maid, mob cap, multiple girls, one side up, outdoors, parasol, polka dot, polka dot bikini, polka dot swimsuit, purple hair, red eyes, ribbon, short hair, siblings, side-tie bikini bottom, side ponytail, sisters, string bikini, sunglasses, swim ring, swimsuit, twin braids, umbrella, watermelon, wings