Rule 34 Dev - 1boy aragaki_shuuya arm_on_own_leg black_footwear black_pants blue_hair chou_shittou_caduceus computer facing_to_the_side glass_table headphones headphones_around_neck highres holding holding_paper indoors jacket jacket_on_shoulders lab_coat laptop male_focus on_table open_clothes open_jacket pager pants paper satou_karume sitting table test_tube white_background|24386863527