At that time, Jonin (Tsunenobu) TOKI, who had entered Buddhist priesthood and called himself 'Nichijo,' was actively engaged in the propagation of Buddhism at Hokke-ji Temple, and Nichiko became the pupil of Nichijo, with whom he had a common acquaintance to his father Jomyo OTA, and started to assist Nichijo at Hokke-ji Temple.
その頃、富木常忍は出家して「日常」と名乗って法花寺で布教活動にあたっていたが、日高は父親との縁から日常とも師弟関係を結んで法花寺の仕事も手伝うようになった。