3girls, ahoge, comic, crane_(machine), fishing, greyscale, hair_ornament, jaw_drop, lifebuoy, long_hair, low_twintails, monochrome, multiple_girls, open_mouth, pantyhose, partially_submerged, pointing, pointing_forward, ponytail, school_swimsuit, school_uniform, serafuku, short_hair, skirt, standing, standing_on_liquid, swimsuit, tuna, twintails, wide-eyed