The Only Aura User In Magic World (bestlightnovel-com)

Roy died during a war against the Evil G.o.d Cult, but somehow, he returned back in time to 30 years in the past where he was just a boy who awaken his summoning magic. Just a few days before his death, he became the only Aura user in a world of magic. Using his knowledge and experience, he will become an Aura user ag…