Ejō accompanied Dōgen to Kamakura, then the capital of Japan, during a six month visit starting in 1247 on which he taught Hōjō Tokiyori, the shōgun's regent.
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Following his master's death, Ejō left for Kannon-dōri-in (later changed to Kōshōhōrin-ji), Dōgen's newly established temple in Uji, where he would finally become his student.