Rule 34 Dev - 1girl akiyama_(52hotaru) animal_hood barefoot brown_hair character_name chibi crossover female_focus himouto!_umaru-chan hood long_hair mawaru_penguindrum open_mouth parody penguin_hood princess_of_the_crystal pun purple_eyes seizon_senryaku solo style_parody takakura_himari|6443632260