Rule 34 Dev - 4boys aged_up amuii black_background book crate crutch eren_yeager facing_another from_side full_body glasses holding holding_book levi_(shingeki_no_kyojin) male_focus monochrome multiple_boys no_eyes on_chair orange_theme profile reiner_braun shingeki_no_kyojin short_hair simple_background sitting zeke_yeager|20423745810