A Returner's Magic Should be Special Volume Version

For 10 years, magical prodigy Desir and his party have been battling inside the mysterious Shadow Labyrinth—and against the end of the world. Much of humanity has already perished and just as Desir is about to be killed, he's sent back 13 years into the past. Despite knowing the cursed future that lies ahead, Desir steels his resolve as he sees an opportunity to train his friends and better prepare to face Armageddon together, without losing the ones they love!