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4_fingers artist_collaboration backsack balls chalk chalkboard classroom clothed clothing english_text erection fingers genitals hair hi_res holding_chalk humanoid_genitalia humanoid_penis information_board inside long_hair looking_at_viewer looking_back male math omez partially_clothed penis profanity rear_view recording school sergal shoulder_blades smile solo tail text thorin undressing wayfarer_in_au white_balls