At that time, Hirota who was then Jushin (chief retainer) told Koiso, 'An agreement has been made between Mr. Terauchi (Hisaichi TERAUCHI who was the Minister of War during revival of Geneki Bukan sei) and me, as for the personnel affairs, we've accepted to designate a new Prime Minister regardless of the consent of three Kami' and it is said that this incident was one of the reasons for Koiso preventing Tojo from remaining as the Minister of War.
この時、当時重臣になっていた広田が小磯に対して「僕と寺内君（現役武官制復活当時の寺内寿一陸相）の合意で、陸相人事は三長官の合意に関係なく新首相が自由に指名していいということになっているから」と告げて、小磯はこれを一つの根拠として東條の陸相留任を阻止したという逸話がある。