■June 2005 At the invitation of Fondation Franco-Japonaise Sasakawa, the World Peace Prayer Onzen Buddhist Service was started at the Théâtre du Châtelet in Paris and at Maison de la culture du Japon à Paris.
■April 2007 Japan's first The On Zen ceremony was held at the Sinjyuan Daitokuji Temple.(Kyoto Japan)
■April 2008 The second The On Zen ceremony was held at the Sinjyuan Daitokuji Temple.
■April 2009 At Daitoku-ji Temple (a National Treasure), a rigorous The On Zen ceremony was held under the guidance of ”Zen master Myoho Takada”.
■July 2009 Invited to the Gregorian chant music festival at L'abbaye Du Thoronet, a World Heritage Site, a Catholic sacred place in southern France. (Supported by Fondation Franco-Japonaise Sasakawa)
■November 2009 At the invitation of Fondation Franco-Japonaise Sasakawa, a memorial ceremony was held at the Musée national des Arts asiatiques-Guimet in Paris and at the Église Saint-Eustache in Paris. rice field.
■April 2010 The On Zen ceremony at Daitoku-ji temple. The ancient Catholic scriptures, the Old Testament, in ancient Aramaic were dedicated by the Syrian Diva.
■June 2011 The On Zen ceremony at Daitoku-ji temple. In commemoration of the Great East Japan Earthquake, three Sufi musicians from the Indonesian province of Aceh (Banda Aceh), which was affected by the Sumatra earthquake and tsunami, were donated.
(Cooperation: Indonesian NGO Sacred Bridge Foundation)
■November 2011 Invited by Fondation Franco-Japonaise Sasakawa, the second The On Zen ceremony, zazen meeting, and tea ceremony were held at the Guimet National Museum of Oriental Art in Paris. The On Zen ceremony was invited to the Ferme de Villefavard communal farm music hall in Limoges, central France.
■ 2012 Kokue was established to support the The On Zen ceremony. (Incorporated as General Incorporated Association Kokue in 2014)

[Before Club Void was established]

• 2005 Held the OnZen ceremony as world premir at Théâtre du Châtelet and Maison de la culture du Japon à Paris. Supported by Fondation Franco-Japonaise Sasakawa.
• 2007 Held The On Zen ceremony at the Shinjuan, Daitokuji Temple.
• 2008 Held The On Zen ceremony at the Shinjuan, Daitokuji Temple.
• 2009 Held The On Zen ceremony at the Daitokuji Temple.
• 2009 L'abbaye Du Thoronet（Monastery in Provence, Southern France）,Musée national des Arts asiatiques-Guimet（Paris, France）,Église Saint-Eustache（Paris, France）, Supported by Fondation Franco-Japonaise Sasakawa.
• 2010 Held The On Zen ceremony at the Daitokuji Temple.
• 2011 Held The On Zen ceremony at the Daitokuji Temple. At Musée national des Arts asiatiques-Guimet, Onzen ceremony, Zazen and Tea Ceremony（Paris, France）, Ferme de Villefavard (Limoges, France), Supported by Fondation Franco-Japonaise Sasakawa.

[After Club Void was established]

• 2012 Held The On Zen ceremony at the Daitokuji Temple in Hatto. A prayer for World Peace.
• 2013 Held The On Zen ceremony at the Daitokuji Temple in Hatto. for World Peace.
• 2014 - 2019 Held The On Zen ceremony at the Daitokuji Temple in Hatto. A prayer for world peace through the cooperation of Buddhism and Shintoism.
• 2021 Held The On Zen ceremony at Imamiya shrine. A prayer for world peace through the cooperation of Buddhism and Shintoism.
• 2023 Held The On Zen ceremony at the Shinjuan, Daitokuji Temple, A prayer for origin regression.