However, by the arrangement of Nagamasa KURODA, Munetoshi met Ieyasu TOKUGAWA who was the most powerful samurai next to Hideyoshi at that time, and in front of Ieyasu, he performed "Muto-dori" (seizing opponent's sword without his own sword), and as a result, he was offered the position of the instructor of Heiho (art of warfare).
しかし、黒田長政の仲介により当時秀吉に次ぐ実力者であった徳川家康と出会った宗厳は、家康の前で「無刀取り」を披露したことにより、兵法指南役に迎えたいと申し出を受ける。