The hero took everything from me

Ceres, a magic swordman who has been treated as a burden in the party, is finally dismissed by Zect, the hero and party leader. He realizes that all of his childhood friends also belong to Zect and there is no place for him anywhere, so he decides to go off on his own... However, he's actually a reincarnated person and used to be much older, so he didn't take that much being expelled. And he was... you'll have to read on to find out more.