In 1289, Imperial Prince Hisaaki was appointed to seii taishogun (literally, "great general who subdues the barbarians"), and Munetsuna attended the procession toward Rokuhara Tandai (an administrative and judicial agency in Rokuhara, Kyoto).
1289年（正応2年）には、久明親王が征夷大将軍に就任し六波羅探題へ向かった行列に、随行している。