As Shunsui was transferred to Edo, Sanyo studied with his uncle, Kyohei RAI, and when he turned 18 years old in 1797 he went to Edo to study under Jishu BITO, his father's fellow at school.
春水が江戸在勤となったため叔父の頼杏坪に学び、18歳になった寛政9年（1797年）には江戸に遊学し、父の学友・尾藤二洲に師事した。