A Promise Between Knights (Aether x Amber)

Following the events of Caribert, Aether returns to Mondstadt for some fun and games in the Windblume Festival. Mainly to catch up with his best friend, Amber, and spend plenty of time with her. However, the suppressed feelings of fear and anguish after finding out Lumine is the Abyss Princess, knowing her plans, and experiencing her memories, are things Aether has been holding in for a while, as well as fear of losing his best friend. He opens up to Amber about them, and along the way, will finally tell her how he feels.