When the army of ASHIKAGA entered in Kyoto, the Emperor Go-Daigo escaped to Mt. Hiei and fought back. However, the Emperor accepted the reconciliation proposed by ASHIKAGA, and he handed over the Three Sacred Treasures to Takauji. Takauji ASHIKAGA, backed by the Emperor Komyo of the Jimyoin-to lineage, opened a new legitimate Shogunate with the enactment of a new political platform called Kenmu Shikimoku.
足利軍が入京すると後醍醐天皇は比叡山に逃れて抵抗するが、足利方の和睦の要請に応じて三種の神器を足利方へ渡し、尊氏は持明院統の光明天皇を立て、建武式目を制定して正式に幕府を開く。