In 1682, the great fire of Tenwa, called "The fire by Yaoya Oshichi (greengrocer Oshichi)" occurred and Ryoo's book collection, which he had purchased and collected a total of 14,000 volumes, and those books were lost in the fire.
天和2年（1682年）には、天和の大火いわゆる「八百屋お七の火事」により、買い集めていた書籍14,000巻を失った。