Kiyochika IWASHITA, who had worked for Mitsui & Co., Mitsui Bank and Kitahama Bank, was famous as a rowdy person and even Hikojiro NAKAMIGAWA, a head of Mitsui, had difficulty with him.
三井物産、三井銀行を経て、北浜銀行に呼ばれた岩下清周は、荒馬として有名で、三井の総帥・中上川彦次郎でさえてこずったほどだった。