The then seii taishogun (literally, "great general who subdues the barbarians") Yoshimune TOKUGAWA was open-minded to introduce practical kinds of Western studies and he ordered Noro and Konyo AOKI to learn Dutch.
当時の征夷大将軍徳川吉宗は西洋の学問のうち、実用的なものについては禁を緩め導入を図ったが、この吉宗の命を受けて青木昆陽とともに蘭語を学ぶ。