Returning to Edo, Shusaku not only got promoted to 5 dan, but he was also made the official heir of Honinbo Shuwa, who was to become the head of the Honinbo house.
Edo'ya döndüğünde Shusaku yalnızca 5 dan seviyesine yükselmekle kalmadı, aynı zamanda Honinbo Hanedanı'na liderlik etmek üzere Honinbo Shuwa'nın varisi oldu.