Read manga: The Former Hero Was Called As A Failure And Expelled From His Home, Decided To Live On His Own

manga
Summary:

A boy named Allen who was called not to be able to get the gift of God's bounty.
But his true identity was a former hero with memories and powers of previous life! ?
Fortunately to have been expelled from his duke's family, Allen was trying to start a free-spirited journey, but he would encounter an assassination attempt by a former fiance ...! ?
Unwanted heroic saga opens for former hero who wants to relax in this world!