Reincarnation of the Unrivalled Time Mage The Underachiever at the Magic Academy Turns Out to Be the Strongest Mage Who Controls Time

One day at the sorcery academy at the borderlands broke student Avis was forced to win against a genius at the academy otherwise he would be expelled Its said to be an impossible feat for him
Avis raises his blind and frail younger sister by himself He goes through the necessary training to get past his insufficient scholarship But he doesnt get any stronger and eventually collapses of exhaust
But at that time he sees a strange dream In the dream he sees the grand sorcerer who used the legendary Time Sorcery that had been used to defeat demons and is no longer present in the current ages
And after Avis awakes from the dream he realizes that the legendary Time Sorcery is his own