He stayed at Morita house (the family home of the foster mother of Shoin YOSHIDA) which was Honjin (a hotel) of the lord of domain at Kurokawa in Hagi, and learned military science, foreign affairs and so on.
萩黒川にある藩主本陣・森田邸(吉田松陰養母実家にあたる)に逗留し、兵学、外国情勢などを学ぶ。