In 1339, Moromoto was appointed as Naidaijin (the Minister of the Interior) as at Emperor Gomurakami's accession to the throne and was later assigned as Sadaijin (the Minister of the Left).
師基は、1339年（延元4年/暦応2年）に後村上天皇が即位した時点で内大臣、その後、左大臣に任じられた。