In 2005, a Kakejiku (hanging scroll) in water ink on which Okyo drew a portrait of Gyokudo (the fourth chief priest of the temple) was found in the temple, as were Okyo's letters.
2005年には、応挙が玉堂（第4世）を描いた水墨画の掛軸や書簡が当寺で発見されている。