They were regular participants of closed-door meetings during the Greater East Asia War that were periodically held between the Kyoto School and the Imperial Japanese Navy, topics being about the overthrow of the Tojo cabinet and the restoration of the course of the Imperial Japanese Army.
大東亜戦争中に京都学派と大日本帝国海軍との間で定期的に行われ、東條内閣打倒や大日本帝国陸軍の方針の是正が話し合われた秘密会合の常連出席者であった。