1boy alternate_costume alternate_hairstyle arurandeisu beard belt black_necktie black_pants blue_eyes book couch crossed_legs curtains cushion facial_hair feet_out_of_frame fingernails glasses grey_hair hair_ribbon highres holostars lamp letterboxed looking_at_viewer low_ponytail mabuka_(mabukaaaa) male_focus mature_male necktie open_collar open_mouth outside_border pants red_ribbon ribbon round_eyewear shirt sitting sleeves_rolled_up smile solo undone_necktie virtual_youtuber white_shirt  1boy aqua_eyes arurandeisu blue_shirt buttons coat facial_hair flask glasses grey_hair grin highres holding_test_tube holostars mabuka_(mabukaaaa) male_focus pants shirt short_hair smile solo test_tube vest virtual_youtuber white_coat  apex_legends arurandis belt black_gloves cosplay facial_hair fingerless_gloves gloves goatee goggles greyscale hand_on_hip holostars looking_at_viewer mabuka_(mabukaaaa) mirage_(apex_legends) mirage_(apex_legends)_(cosplay) monochrome pouch scarf smile solo standing virtual_youtuber white_scarf  1boy arm_support arurandis cellphone eyewear_removed facial_hair grey_eyes grey_hair holostars japanese_clothes knee_up looking_at_viewer mabuka_(mabukaaaa) male_focus phone sandals sideburns sitting smile solo virtual_youtuber  1boy arurandis backpack bag black_gloves death_stranding glasses gloves grey_background greyscale holostars looking_at_viewer mabuka_(mabukaaaa) monochrome sideburns simple_background smiley_face solo standing sweatdrop upper_body virtual_youtuber