In the Tosa domain, Shojiro GOTO, influenced by Ryoma SAKAMOTO, was working on that task by recommending to Yodo YAMANOUCHI the effects of restoring power to the emperor as a way to avoid overthrowing the shogunate by military conflicts.
土佐藩では後藤象二郎が坂本龍馬の影響もあり、武力倒幕路線を回避するために大政奉還を山内容堂に進言し、周旋を試みていた。