outbreak of war

Negotiation of the Tokugawa and Choshu finally broke down.
At first，Tokugawa had attacked to Oshima island of Setouchi sea of east side of Choshu.
Tokugawa did occupation here with ease and became Tokugawa naval base.
　
”Oshima island abandon.”
There was also strategic direction of Choshu from beginning.
　
・・・・・・・・・

”Do not tell that man.
Because do not know what he to do."　
　
When negotiation with Tokugawa broke down，there was a remark like that inside Choshu government.
That man was Takasugi Shinsaku.
But he became know.　
　
By the way，he had been bought a small steamboat without permission.
(He did not think payment at all.)
He named that ship "Otentosama maru".
Meaning of Otentosama(kids say so) maru is ship of sun.
　
"We will recapture the Oshima island."
He went to Oshima island on only small ship.
At that time，Tokugawa warships were at full on Oshima island.
But they did not think Choshu will attack with only small steamboat.
　
Night, institutions of warships had stopped.
Became a complete surprise attack.
　
Takasugi continued shelling from close range.　
Tokugawa navy was became chaos.
After that，platoon of Kiheitai did landing to Oshima island.　
They did recaptured Oshima island.
　
・・・・・・・・・
　
"Fight the invasion of Tokugawa by all people of Choshu."
There was such a proclamation at before war.
Feudal era was over already.