Rule 34 Dev - >_< 3girls aioi_yuuko blue_hair california_gurls cube_hair_ornament despicable_me hair_ornament karaoke katy_perry microphone minakami_mai minion_(despicable_me) multiple_girls music musical_note naganohara_mio necktie nichijou school_uniform signature simple_background singing snowii_cat|22142295981