I Level Up To Fight The Gods

Ragna Kent, the Grandfather of the Divine Hero Carla Kent from the 12th Timeline tries to escape the "Universal Reboot" in order to stop the constant repetition of tragedies that always happen to both him and his granddaughter in every timeline that is caused by the 'gods themselves.

After surviving many Reboots using the power he acquired, he then meets his current self in the current Timeline where in this timeline, Ragna Kent is an unpowered boy that will later awaken his Leveling powers thanks to Ragna Kent from the 12th Timeline's help as they prepare themselves to the fight the Gods.