Trinity Seven: 7-Nin no MahoutsukaiTrinity Seven - 7-Nin no Masho Tsukai; トリニティセブン　７人の魔書使い; Trinity Seven; 트리니티 세븐; ทรินิตี้เซเว่น 7 จ้าวคัมภีร์เวท

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?