He was adopted to ''[[Yoriki]]'' Hirosawa Rikinoshin in [[1865]] but it's not clear why he changed his sur name to Amano.
He was adopted to ''[[Yoriki]]'' Hirosawa Rikinoshin in [[1865]] but it's not clear why he changed his sur name to Amano.
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[[1868]], [[Shogun]] [[Tokugawa Yoshinobu]] returned to [[Edo]] after the [[Battle of Toba-Fushimi]].
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Amano and [[Shibusawa Eiichi|Shibusawa Seiichiro]] and pro-Bakufu comrades formed [[Shogitai|Shôgitai]] corps for up coming battles against the Imperial troops while many of Bakufu retainers were just running about in utter confusion.