There remains many unknown points about his life after leaving the castle town of Kochi-jo Castle and changing his name to Hirose by purchasing a name from a town doctor; yet it is known that he resorted his aunt and settled down in Akaoka town (present-day Konan City) from the Keio era, called himself by the name of 'Kinzo the painter for townspeople,' and left many paintings in the form of shibai-e (pictures of kabuki plays) or pictures for standing lanterns, ema (a votive horse tablet) or kites, whenever he was asked by local peasants or fishermen.
高知城下を離れて町医者から弘瀬姓を買い取った後の足取りには不明な点が多いが、慶応年間より叔母を頼って赤岡町（現・香南市）に定住し「町絵師・金蔵」を名乗り、地元の農民や漁民に頼まれるがままに芝居絵や台提灯絵、絵馬、凧絵などを数多く描いた。