A long-running conspiracy is swirling over a mysterious power wielded by the Queen in Raja, a small country west of Tempest. When a slime who evolved into a Demon Lord named Rimuru Tempest crosses paths with Hiiro, a survivor of the Ogre race, an incredible adventure packed with new characters begins. The power of bonds will be put to the test!

What is the true identity of the solitary Raven Consort? The Raven Consort is a special consort living deep in the inner palace who, despite her title, does not perform nighttime duties for the emperor. Some who have seen her say she has the appearance of an old woman, while others describe her as a young girl. The Raven Consort's name is Shouxue. She has the ability to use mysterious arts and will accept any favor asked of her, whether it is to find something lost or to curse someone to death. The current emperor, Gaojun, visits her one night to ask a favor. Their meeting exposes a secret that will turn history on its head...

Spin-off series from Ranking of Kings (2021) that recount the side stories which took place in-between the main events of the original series.

In this spinoff series, Rimuru gets his hands on a notebook and decides to compose a record of his many adventures. But where to begin?

The people of the kingdom look down on the young Prince Bojji, who can neither hear nor speak. They call him "The Useless Prince" while jeering at his supposed foolishness.

Hachiman Hikigaya is an antisocial high school student with no friends or girlfriend and as a result has a distorted view on life. When he sees his classmates talking excitedly about their adolescent lives, he mutters, "They're a bunch of liars." When he is asked about his future dreams, he responds, "Not working." A teacher gets Hachiman to join the volunteer "service club," which happens to have the school's prettiest girl - Yukino Yukinoshita.