Trinity Seven: 7-Nin no Mahoutsukai

Trinity Seven: 7-Nin no Mahoutsukai synopsis: Everyday life in the small town where Kasuga Arata resides is uneventful, with nothing out of the ordinary happening. However, everything takes a drastic turn on the day of the Black Sun when a mysterious magician suddenly appears before him. The Black Sun triggers the Breakdown Phenomenon, leading to the destruction of Arata's hometown. In response, a Grimoire, left behind by his childhood friend, artificially reconstructs his once-normal life. As Arata grapples with these sudden changes, he can't help but wonder about the magician's intentions for coming to the town and what role the Grimoire's keepsake plays in this enigmatic situation. (Source: Mangamonster.net)