The strongest from another world are reborn—so much for a normal life. The Heavenly Demon, who was on the brink of conquering the world. After dying together in a final showdown with his archenemy, the Ice Witch, the two are reborn as ordinary twins in the human world. But their peace is short-lived. Now that they are teenagers, organizations of Reincarnators are shaking up the world. The world refuses to leave these siblings alone, even as they try to hide the powers of their past lives. Old subordinates begin to gather, one by one. And the Ice Witch stands by his side—not as an enemy this time, but as a partner. Will the Heavenly Demon be able to become the world’s strongest once again?!