That Time I Got Reincarnated as a Slime: Season 3, Episode 13 - ProjectFreeTV

3 - 13: Invitations for All Nations

Demon Lord Ramiris tries to argue her way into moving to Tempest, where there's great food, hot springs, and ample entertainment. Rimuru happens to walk into the argument and comes up with a way to make use of Ramiris's skills.