Afterwards, Emperor Gomurakami made the Shoinden (main shrine building) of the Tsumori clan, who were hereditary chief priests of the Sumiyoshi-taisha Grand Shrine in Settsu Province, his Angu (Sumiyoshi Angu), or temporary lodging especially for an Imperial visit, for about ten years and established a contact route with Shikokua and Kyushu because he held control of the naval forces in the Seto Inland Sea, who worshiped the Sumiyoshi Gods, leading to activities of the Southern Court in various places, but the betrayal of the Yamana clan and Ouchi clan to the Northern Court and the surrender of Masanori KUSUNOKI in 1363 led to its decline and it started to show a shift towards a peaceful stance by returning the three retired emperors.
その後、後村上天皇が摂津国の住吉大社宮司の津守氏の正印殿を約10年間、行宮（住吉行宮）とし、住吉大神を奉じる瀬戸内海の水軍を傘下にして、四国、九州との連絡網を確立し、南朝は各地で活動するが、1363年には山名氏や大内氏の北朝への帰順、楠木正儀の投降などで衰退し、拉致した三上皇を返還するなど講和的態度も示している。