Kyoukaisenjou no Horizon: Kimi to Asama de

This side story follows Asama, Kimi and Mitotsudaira aboard Musashi one year before the beginning of the main story, as Asama is considering to create a music band together with her two friends for the next festival in Aki, a territory under the governance of K.P.A. Italia.

Note: An official comercial release of the side story volumes of Kyoukaisenjou no Horizon that were bundled with the first press release of the 1st, 3rd, 5th and 7th Blu-ray volume of both seasons of anime.