 She was later purchased by as a private warship by Akita Domain, one of the feudal domains of the Tokugawa shogunate of Japan, and named "Takao Maru".Following the collapse of the shogunate, she was transferred to the , a short-lived state established by Tokugawa loyalists, and renamed "Kaiten No.2".She was armed with four smoothbore cannon on the side, and a powerful Armstrong cannon with explosive shells, installed on a rotating base.