It was constructed in 1214 by Jishin Shonin Kakushin (FUJIWARA no Michifusa), Jokei's disciple, to commemorate the first anniversary of his master's death.
建保2年（1214年）、貞慶の弟子である慈心上人覚真（藤原道房）が貞慶一周忌供養に建立したもの。