He was asked to serve the Imagawa clan by his master, Ujichika IMAGAWA, who heard this reputation, and was appointed to educate his fifth son, Hogiku-maru (later Yoshimoto IMAGAWA).
この噂を聞いた主君の今川氏親から帰国して今川氏に仕えるよう要請され、氏親の五男・方菊丸（のちの今川義元）の教育係に任じられた。