Sakurai advised as follows: although Okubo's plan was authentic from a historical perspective, it would be better that Tottori Prefecture should be integrated with Shimane Prefecture while Toyooka Prefecture with Shikama Prefecture, because the transportation between the Tajima Province and the Inaba Province suffered inconvenience due to steep mountains.
桜井勉は、歴史的背景からはもっともな案であるが、但馬と因幡国の間は山が険しく往来が不便であるため、鳥取県は島根県、豊岡県は飾磨県と合併させる方が適切であると進言した。