When he was 14 years old, on August 6, 1923, he was suddenly spirited away while he was swimming with his friends in Kamagafuchi located at the upper reaches of the Takeda-gawa River, which flows into the Kuzuryu-gawa River, and he entered Mt. Kurama-yama.
1923年8月6日（大正12年）、14歳の時に福井県の九頭竜川に注ぐ竹田川上流の釜ヶ淵で友人と水浴中突然神隠しにあい、京都の鞍馬山に入山。