Fukushuu No Tensei Kizoku

Now - it's time for the purge. Bring down the cruelty of the corrupt aristocrats who greedily seek power! A classic dark fantasy begins! In a world where it is common for nobles to oppress captives, Rain is a genius magician who was born a captive and earned the title of "Great Sage." However, his magic, the status and honor he gained, only made him an eyesore and a target for elimination to the nobles. After being trapped and brutally killed, Rain uses his own magic to duplicate his own soul. Reincarnated as the heir to his sworn enemy, he vows to take revenge on the nobles who killed him!