Rule 34 Dev - 1girl breast_pocket closed_mouth diisuke glasses greyscale looking_at_viewer monochrome necktie nijisanji pocket red-framed_eyewear semi-rimless_eyewear shirt shizuka_rin short_hair short_sleeves simple_background smile solo spot_color under-rim_eyewear upper_body virtual_youtuber white_background|13681064475