When the Emperor Junna abdicated the throne in favor of the Emperor Ninmyo, Yoshino was promoted to Shosanmi (Senior Third Rank) chunagon, but he devotedly followed the Retired Emperor Junna.
天皇が仁明天皇に皇位を譲ると、正三位中納言になるが、専ら淳和上皇の傍につき従った。