The president of the (Rikken) Seiyu party, Takashi HARA, who was born to the chief retainer of the Morioka Domain, attended the ceremony, and virtually as a chief mourner, delivered the Shinto prayers during the festival, 'the only casus belli of the Boshin War was the difference in political opinions,' clearing the name of 'rebel army' and the 'choteki' (enemy of the Imperial Court).
事実上の祭主としては、盛岡藩家老の家に生まれた政友会総裁原敬が列席し、「戊辰戦役は政見の異同のみ」とした祭文を読み上げ、「賊軍」・「朝敵」の汚名を雪いでいる。