In 1670, using 3,000 Ryo from Kintaien sales, Ryoo purchased the Daizo-kyo Sutra (the Daizo-kyo Sutra of Tenkai edition, 6,323 volumes), which was his cherished dream, for three hundreds Ryo gold (one Ryo in Edo period was roughly converted to 16g of gold; so, 300 Ryo was roughly 4.8kg of gold).
寛文10年（1670年）、錦袋円の売上金3,000両をもとに、300両で宿願の大蔵経（天海版大蔵経6,323巻）を購入した。