After the absence of the head of the school for 30 years, Masayuki TACHIBANA revived the Omori family to become the fourth head, Soshin, under instructions of Imperial Prince Kaninnomiya Haruhito, who had been certified as full proficiency from the third head, Yuri.
およそ30年の空白期間を経て、3代有斐より皆伝を受けた閑院宮美仁親王の意により橘正之が大森家を復興し4代宗震となった。