Kaeya and the Honorary Knight, Aether, go on an adventure in Dragonspine together, which results in secrets getting revealed and romance blossoming in the cold of the mountain.

Kaeya, the Calvary captain of Mondstadt was captured by an abyss herald while getting information on the abyss. Being presented to the prince of the abyss, Kaeya was stripped away of all his titles and powers and made to serve the prince, Aether. What if Kaeya finally gives in, finally allows himself to open up? And become the Prince's fiance?