(In fact, Juro KOGA who had insisted on rejecting Christianity together with Yoshioka and who had been also appointed to the Danjodai attempted to subvert the new government and was later sentenced to death with his head exposured on charge of his involvement in the attempted coup d'etat by two nobles called the Nikyo Incident in Joseon).
（実際、吉岡とともにキリスト教排撃を主張、同様に弾正台に任官した古賀十郎はのちに新政府転覆をもくろみ、吉岡の朝鮮滞在中に二卿事件への関与により梟首に処せられている）。