Rule 34 Dev - 00s 1girl 2boys akira-riku araki_shingo bad_id bad_pixiv_id black_hair bow bowtie casshern casshern_(series) casshern_sins dark dio helmet leda_(casshern_sins) long_sleeves looking_at_viewer military military_uniform multiple_boys red_bow red_bowtie short_hair umakoshi_yoshihiko upper_body|855452637