Want more Rimuru? Well, fret not, because he is finally returning very soon! The official website for the That Time I Got Reincarnated as a Slime anime has announced that the series would get not one, not two, but three new Original Anime DVDs! They also released two teaser visuals for thhese new anime:
Series creator Fuse wrote new stories for the OADs himself. The first will tell of Rimuru teaching Shizu’s students in an actual field combat training event. The staff will also be hosting a special screening event with s Miho Okasaki (Rimuru), Chikahiro Kobayashi (Ranga), and Azusa Tadokoro (Chloe) at the Marunouchi Piccadilly theater in Tokyo on 26th January.
As for the OADs themselves, they will come bundled with the upcoming 14th, 15th, and 16th volumes of the manga adaptations. The 14th volume will come bundled with the first volume, and they will release it on 27th March next year.
The anime is also getting a second season in 2020.
source: Comic Natalie