When he was sixteen he moved again, to Denshinji, under the guidance of Bokusan Nishiari, a former leader of the Soto-sect, whom he later criticized for what he perceived as a lack of insight.
When he was sixteen, he relocated to Denshinji for instruction from Bokusan Nishiari, a former leader of the Soto-sect, whom he later criticized for his perceived lack of insight.