Though Otsugu was an excellent choice with appreciation of Otsugu's ability, Otsugu submitted a resignation letter three times with the reasons that he had objected the subjugation of Ezo which was the most important task of the position, that he was a genuine nobleman and, therefore, he did not know much about the military strategies and, in addition, that he was physically weak.
緒嗣の力量を買われた人選ではあったが、同職の最大の課題である蝦夷平定に反対した前歴があること、生粋の貴族で兵法にも疎く体も丈夫ではない事を理由に3度にわたって辞表を提出した。