In February 1924, during his release from prison under sekifu (release from detention entrusting the accused to family members, etc.) after being imprisoned by the first Omoto crackdown, he escaped from the Empire of Japan to Mongolia to engage in activities with the head of mounted bandits called Rosenkai and came very close to death in June of that year in Paintara due to a concoction by Zuolin ZHANG (religious persecution in Paintara), but the six Japanese including Morihei UESHIBA, who engaged in activities with Onisaburo, found refuge and returned to the country the following month.
1924年2月、第一次大本弾圧事件による責付出獄中に大日本帝国を脱出して、モンゴル地方へ行き盧占魁（ろせんかい）という馬賊の頭領とともに活動するが、同年6月パインタラにて張作霖の策謀により落命寸前の危機となる(パインタラの法難)も、王仁三郎とともに活動した植芝盛平をはじめ日本人6人は無事難を逃れ、翌月帰国する。