Rule 34 Dev - 1girl black_hair blazer blue_eyes blue_jacket blush bow bowtie cardigan clover hair_ornament hairclip jacket long_hair long_sleeves looking_at_viewer nijisanji open_mouth pink_bow school_uniform sketch smile solo tsukino_mito tsukino_mito_(1st_costume) upper_body virtual_youtuber yukiko_(tesseract)|10577049561