That Time I Got Reincarnated as a Slime manga volume 27 features story by Fuse with illustrations by Taiki Kawakami.

Now that things have mostly been settled with Hinata, its time for Rimuru to announce his rise to Demon Lord to the world. Thus, Tempest prepares to hold a ceremony, inviting other countries to attend. Will the nation of monsters be able to convince people to respect its right to exist and its leader, though? It certainly seems like Rimuru has his work cut out for him.