2girls >_< a-pose afloat agoshi_sakina ahoge alternate_costume alternate_hairstyle bangs bare_shoulders barefoot bikini black_bikini blonde_hair blue_sky brown_eyes cloud drink expressionless fish_hair_ornament flying full_body grey_hair hair_ornament hand_on_own_knee highres holding holding_drink innertube light_blush long_hair looking_at_viewer multiple_girls null-meta ocean odayaka open_mouth orange_bikini outdoors ponytail short_hair sky spaghetti_strap swimsuit uozumi_kurumi water_stream wavy_hair