Rule 34 Dev - 1girl 2boys axe blue_hair bow_(weapon) brown_hair bun_cover faux_traditional_media grey_hair hand_on_own_hip hip_focus japanese_clothes jian_(weapon) juuni_kokuki kantai_(juuni_kokuki) koshu multiple_boys muscular official_art ouki_suzu ponytail seiki_(juuni_kokuki) seki sheath sword unsheathing weapon yamada_akihiro|364525317