完全無欠の新人魔術生 伝説の最強魔術師、千年後の世界で魔術学校に入学する (Associated Names)

Through all youth, Fighting for the sake of the world — Gilford Reeves, the strongest magician who became a legendary hero after a deadly battle with the demon lord. However, The price was high and he was seriously injured. Thinking that death was the only thing waiting, Gil fell asleep for a long time with…