 His teacher Hisa had become elderly and had suffered a dehabilitating stroke and so was moving to Tokyo to be cared for by his family.Okabayashi decided that he would give up the practise of Daitō-ryū.Hearing of this Hisa encouraged him rather to go study with Sōkaku's son, the current headmaster of the art, Tokimune Takeda, and gave him a letter of recommendation.