Rule 34 Dev - 1girl aqua_eyes aqua_hair bad_id bad_pixiv_id book bow bowtie chalkboard classroom desk eraser female_focus finger_to_mouth hair_ribbon hatsune_miku indoors long_hair looking_at_viewer nail_polish ribbon school school_uniform sitting smile solo sweater_vest tombow_mono twintails vocaloid window yuuka_nonoko|7206563637