During the Battle of Aizu, she fought with a naginata (a Japanese polearm) and was the leader of an ad hoc corps of female combatants who fought in the battle independently, as the senior Aizu retainers did not allow them to fight as an official part of the domain's army.
Durante a batalla de Aizu, loitou cunha naginata (unha arma de hasta xaponesa) e foi a líder ad hoc das forzas femininas de combate que loitaron independentemente na batalla, xa que os retenedores de Aizu non lle permitiron loitar como parte oficial do exército do dominio.