That Time I Got Reincarnated as a Slime Season 4
An isekai series that explores the genre's tropes with its own unique spin.
Demon Lord Rimuru's dream of creating an alliance between humans and monsters takes a step closer to being realized. As Tempest continues to prosper, Granville Rozzo and his granddaughter, Maribel Rozzo, clash with Demon Lord Rimuru over their plan to protect mankind by ruling over them. Meanwhile, in El Dorado, Demon Lord Leon works toward goals of his own. The awakening of a new Hero draws near! (Source: Crunchyroll)
Plot summary from MyAnimeList. Data and images via Jikan API.