The Crazy Mage Reincarnated into a Fallen Family

The sole survivor of the 'Final Expedition.' Commander of the Samael House's Crazy Mage Squad, the Crazy Mage Ruin. After a harrowing expedition, he defeated the Demon King and met his end. Only to wake up 300 years later. Reborn as a descendant of the accursed yet beloved 'Samael House.' The most powerful family on the damned continent. — Description from novelcodex.org