Unlike normal works, "Koshi-den" was the annotation of the history of Jindai and demanded deep understanding from the writer, so Kanetane deliberated on who was the most suitable person for a long time, and finally, among his school students, chose Harumichi YANO, a student of great talent from Ozu clan (Iyo Province).
普通の著書と異なり神代史解釈であるが故に、熟慮に熟慮を重ねた末に、平田門下の逸材の一人でもある大洲の矢野玄道に白羽の矢をたてた。