1girl aqua_bikini arm_up armpits bangs bare_shoulders bikini blue_sky breasts cowboy_shot day flower from_below grey_eyes hat highres leaf long_hair looking_at_viewer navel original outdoors parted_bangs silver_hair sky slit_pupils small_breasts smile solo standing stomach string_bikini summer sun_hat sunflower swimsuit takanashi_kei_(hitsujikan) thighs very_long_hair white_headwear