A Depressed Mage Restarts His Life

DailyInvincible Flow BarHealLoveCampus This world is terrible. After being tortured by his own heart and dying, he was chosen by the goddess to become a short-term tool. Fortunately, the reward was gratifying. After sealing the Demon King, he returned to his middle school days with the vast amount of magical knowledge forcibly injected by the goddess. The magical knowledge and warm daily routine in his mind changed the depressing past.