In June 2017, Kyoto Animation announced that Anime Expo, AnimagiC, and C3 AFA Singapore 2017 would host the world premiere of the first episode.
Pada bulan Juni 2017, Kyoto Animation mengumumkan bahwa Anime Expo, AnimagiC, dan C3 AFA Singapore 2017 akan menyelenggarakan pemutaran perdana episode pertama di seluruh dunia.