A bereaved child of Danjo KIYAMA who called himself Goro YOKOTE and was proud of his phenomenal strength, was watching for an opportunity to take revenge for his father's death working as a laborer in the construction site of Kumamoto-jo Castle.
木山弾正の遺児は横手五郎と名乗り怪力が自慢であったが、熊本城築城の人夫となり敵討ちの機会をねらっていた。