At the Dengeki Bunko Autumn Festival 2015 on October 4, 2015, it was announced that the light novel series would be adapted into an animated film, with the main staff returning from the anime series.
Pada Dengeki Bunko Autumn Festival 2015 pada tanggal 4 Oktober 2015, diumumkan bahwa seri novel ringan akan diadaptasi menjadi sebuah film animasi, dengan staf utama kembali dari serial anime.