Rule 34 Dev - arino_hiroshi bass_guitar black_eyes black_hair bottomless breasts brown_eyes brown_hair dark_hair drumsticks female female_only hairband hime_cut human human_only instrument k-on! long_hair mio_akiyama_(k-on!) multiple_girls navel open_clothes open_shirt petals ritsu_tainaka_(k-on!) shirt short_hair|539910472