Extra's Revenge: Reincarnated As A Slave

After saving a dying world despite being a summoned Extra, Rey is executed by the supreme beings that exist at the top of his reality.They also slaughter his entire family and wipe out the world he sacrificed everything to protect.However, he is surprisingly reincarnated into the world of those who killed him and ruined his life. Now stuck in this higher dimension as a nameless slave, this Extra will rise up and have his revenge on those who wronged him.No one will be spared!Tags: Action. Adventure. Reincarnation. Revenge. Magic. WeaktoStrong. Romance. NoHarem. Academy. Superpowers. Transmigration. Villain.