During the Restoration period at the end of the Edo period, he had a strong relationship with Saigo brothers (Takamori SAIGO and Tsugumichi SAIGO) and Toshimichi OKUBO, and came to the fore as one of the most active warriors in the Satsuma Domain.
幕末維新期の兼寛は西郷隆盛・西郷従道兄弟や大久保利通らとの関係が深く薩摩藩きっての行動派の一人として活躍する。