the yamashiroya incident was an incident that wasuke yamashiroya , a government contractor for the ministry of army , committed suicide when he was unable to repay the public money he had borrowed from the ministry without collateral in 1872 . 山城屋事件は1872年（明治5年）陸軍省の御用商人山城屋和助が陸軍省から無担保で借り受けた公金を返済できず自殺した事件。
in 1904 , when ozumo-josetsukan (later the kokugikan sumo hall ) was planned to be constructed , yasuatsu iijima , the manager of the headquarters of yasuda zaibatsu , granted ikazuchi a loan of 400 thousand yen (equivalent to 10 billion yen at today ' s prices ) without collateral , which shows how much ikazuchi was respected and trusted by others . 人望が非常に厚く、明治37年（1904年）大相撲常設館（当時はまだ国技館の呼称はない）建設が計画された際には、安田財閥本所支店長の飯島保篤から何と自分の信用だけで40万円（現在なら100億円に相当するという）を無担保で借りることに成功。
