3girls, ball, barefoot, bat_wings, beachball, bikini, black_sarong, blonde_hair, braid, brooch, closed_mouth, crystal, cup, drinking_glass, drinking_straw, fangs, feet, fingernails, flandre_scarlet, flat_chest, frilled_bikini, frilled_one-piece_swimsuit, frills, green_ribbon, grey_hair, hair_ribbon, hat, hat_ribbon, holding, holding_ball, holding_beachball, holding_tray, izayoi_sakuya, jewelry, konosuko_(knsk_kwkm), leg_ribbon, long_fingernails, looking_at_viewer, maid, maid_headdress, multiple_girls, one-piece_swimsuit, open_mouth, palm_tree, pointy_ears, pool, purple_hair, red_eyes, red_innertube, red_nails, red_ribbon, remilia_scarlet, ribbon, sarong, short_hair, shoulder_blades, siblings, side_ponytail, sidelocks, sisters, soles, splashing, swimsuit, toenails, toes, touhou, tray, tree, tress_ribbon, twin_braids, water, white_headwear, wings, wrist_cuffs