Rule 34 Dev - 3boys animal_ears animal_hands brown_hair collar fangs green_eyes green_hair halloween halloween_costume hat high_speed! kirishima_ikuya kirishima_natsuya looking_at_viewer male_focus matching_hair/eyes monaka multiple_boys open_mouth purple_hair red_eyes serizawa_nao short_hair text_focus vampire werewolf witch wolf_ears|7635293640