The Misfit of Demon King Academy 03: History's Strongest Demon King Reincarnates and Goes to School with His Descendants

What if you were the strongest demon king in history...but nobody believed you? The demon sisters Misha and Sasha are facing a tragic fate because of a spell cast on them by a mysterious figure seeking to harvest their magical power. While Sasha schemes of a way to bend the outcome to her will, Misha calmly accepts the fact that she will not see tomorrow. Their fate seems all but certain, and the end just a matter of time...though not if Anoth has anything to say about it! Saving the sisters might take a miracle, but the Demon King of Tyranny will stop at nothing, even if that means going up against the god of time himself!