The Beginning of a New Era, with the Slimes
Ryoma and Eliaria make another attempt to tame the limour birds. If they succeed, it would be a great milestone in their careers as monster tamers. However, whatever the outcome, their separation is inevitable as Eliaria leaves for school.
Aired 20/12/2020EP 12 - The Beginning of a New Era, with the Slimes

2020
By the Grace of the Gods
Only 39 years into a life full of bad luck, Ryouma Takebayashi passes away in his sleep! Taking pity on him, three divine beings show compassion by reincarnating him as a young boy to a magical, new world.
Now he spends his time researching and caring for slimes. But after healing an injured traveler, Ryouma decides to set out with his new friends on a journey to use his power to help others.
(Source: Funimation)