1boy beck black_hair black_pants circle_sosuikyo closed_eyes drum drumsticks greyscale instrument male_focus monochrome pants sakurai_yuji shirt simple_background sitting smile solo t-shirt
1boy beck black_hair circle_sosuikyo copyright_name facial_hair greyscale holding holding_microphone index_finger_raised looking_at_viewer male_focus microphone monochrome mustache shirt solo sweatband t-shirt tsunemi_chiba upper_body wristband