That Time I Got Reincarnated as a Slime: Season 3, Episode 17 - ProjectFreeTV

3 - 17: The Lightspeed Hero

After learning about an elf slave trade, Rimuru had Soei investigate, but it turns out the slave traders have already been shut down by Masayuki, the Lightspeed Hero. Word is now spreading that the Hero is headed to Tempest to slay a Demon Lord...