Rule 34 Dev - 1girl blue_hair blue_one-piece_swimsuit book competition_school_swimsuit covered_navel female_focus flower green_eyes hand_on_headwear hat houtou katagiri_hinata koihime_musou long_hair low_twintails official_art one-piece_swimsuit ribbon school_swimsuit scrunchie smile solo sun_hat sunflower swimsuit twintails|9099492597