https://bikukan.fr/2026/07/03/gwenhael-le-rolland-obtient-son-4e-dan-devant-yahara-sensei/BIKUKAN DOJO 美空館 道場fr2026-07-03T16:57:51+00:00Gwenhaël Le Rolland obtient son 4e dan devant Yahara SenseiKaratenomichi World Federation, Shotokan, JKA, Japan Karate Association, 大塚 正道, 空手之道世界連盟パリ, 空手之道世界連盟フランス, Nihon Karate Kyokai, 日本空手協会, Bikukan, 美空館, Gwenhaël Le Rolland, Marc Feldis, Bujutsu Karate, JKA Paris, Budo Karate, Bugei Karate, Mikio Yahara, 矢原美紀夫, 四段, Bergame, Masamichi Otsuka, 4e dan