That Time I Got Reincarnated as a Slime Season 1 Episode 21 Shizu-san's Students 2018
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Rimuru becomes the new teacher for Shizu's students. However, having been summoned into this world against their will and facing shortened lifespans as a result, the children's feelings are complicated, and they're reluctant to accept Rimuru. So Rimuru proposes a series of mock battles with each of them to ascertain their abilities and allow them to let off steam.
- Released: 2019-02-26
- Runtime: 24 minutes
- Genre: Action & Adventure, Animation, Sci-Fi & Fantasy, Comedy
- Stars: Miho Okasaki, Megumi Toyoguchi, Makoto Furukawa, Sayaka Senbongi, Mao Ichimichi
- Director: Fuse
