2girls, ahoge, bare_shoulders, barefoot, bikini, blunt_bangs, blush, choker, closed_mouth, embarrassed, feet, flat_chest, gloves, greyscale, hair_between_eyes, long_hair, looking_at_viewer, lulu_(pastime774), lying, micro_bikini, monochrome, multiple_girls, on_side, original, pastime774, ponytail, short_hair, side-tie_bikini_bottom, smile, swimsuit, thighhighs, toes, v