Rule 34 Dev - 2boys age_difference bad_id bad_pixiv_id black_eyes black_hair cigarette dann1230 emiya_kiritsugu emiya_norikata emiya_noritaka facial_hair fate/zero fate_(series) father_and_son flower_pot glasses gun holding holding_flower_pot male_focus multiple_boys plant potted_plant red_background stubble time_paradox weapon|3364961769