Kyou kara Maou! R

After the series' conclusion, life had somewhat returned to normal, so His Majesty Yuuri Shibuya set out to observe how things were progressing. He encounters Sararegi, the ruler of Small Shimeron, while doing so. But it appears that there may be more to him than the amiable ruler he portrays. When Yuuri return to Shimaron to unwind and catch up with some friends, the "monarch" of Little Shimaron unexpectedly joins the gathering and requests that the Maou visit his nation. Yuuri is in jeopardy, and the Original king notifies Yuuri's brother and buddy of this.