Demons and heroes are made of diligence and a flexible moral compass

Lucio was the first person to awaken an authority, he was the strongest of humanity and led the front line against the demons through long fifty years. Bu when the last battle to expel demons happened and last blows were exchenged, he blinked... and two hundred years had passed. Now his strongest self is considered average, and technology advanced beyond him ..The fifty+ year old man saw himself enrolling on a magic academy.. As the cafeteria uncle.