Betrayed Thief, the Phantom Thief as a Demon King Goes for World Domination

Read Betrayed Thief, the Phantom Thief as a Demon King Goes for World Domination:

Keith, the thief, was made to join the Demon King subjugation party after his family was apprehended. They overcame the Demon King with Keith’s help, but the king and the heroes, who had low regard for him, betrayed him and made an attempt to have him killed. After barely escaping with his life, Keith discovered ominous horns sprouting from his head and changed into the violent and destructive “Phantom Thief Demon King,” a being capable of robbing others of their abilities and status! He exacts revenge on the humans who betrayed him, accompanied by the Four Heavenly Kings, the old Demon King’s servants, and monsters under his command!