Rule 34 Dev - 1girl @_@ ai-bon blue_archive blush bow breasts casual_one-piece_swimsuit cleavage clothing_cutout collarbone demon_tail demon_wings grey_hair hair_bow halo haruna_(blue_archive) haruna_(swimsuit)_(blue_archive) highres large_breasts looking_at_viewer nervous_smile nervous_sweating nose_blush one-piece_swimsuit outline shawl side_cutout simple_background single_wing smile solo sweat swimsuit tail thighs white_background white_outline white_shawl wings yellow_bow|23927031531