Rule 34 Dev - 3boys age_difference beard black_hair blonde_hair brothers chibi coat crying crying_with_eyes_open eren_yeager facial_hair family father_and_son formal glasses greyscale grisha_yeager hood hoodie jacket jaku_711 long_hair male_focus medium_hair monochrome multiple_boys aged_up open_mouth sad seiza shaded_face shingeki_no_kyojin shirt siblings sitting squatting standing suit surprised tears whispering zeke_yeager|11468812680