Introduction: What if you woke up, everything you knew change?What if you find  yourself alone, forsaken by time?Kenji Santos, 16 year old youth, have made a mistake making the locked mana in the world free and be available for utilization, however at the same time due to unknown circumstances founds himself 700 years in the future.Just how much did the earth change due to mana?And how will He adapt into this old but new world?-------------HI GUYS. This will be my first time writing a fic.  Sorry if bad grammar....