Everyday is a normal day in the small town where Kasuga Arata lives. However, everything changed on the day of the Black Sun, and following it, a magician appears before him. The Black Sun caused the Breakdown Phenomenon which destroyed the town where he lives. Because of this, his normal life was artificially reconstructed by a Grimoire that his childhood friend had left. Just what is the purpose of the magician coming to the town? What will he do with the Grimoire's keepsake?<br/><br/><a href="https://www.animenewsnetwork.com/encyclopedia/anime.php?id=16174">See AnimeNewsNetwork for the anime.</a><br/><a href="https://www.animenewsnetwork.com/encyclopedia/anime.php?id=18920">See AnimeNewsNetwork for the anime movie.</a>