Rimuru is hosting a small pre-celebration for the founding of his nation. Various culinary delights of Tempest are introduced, including sushi, which surprises and sparks curiosity among the guests who are unaccustomed to raw fish. As Rimuru mingles with the attendees, including nobles and celebrities, the atmosphere is disrupted by the unexpected arrival of Empress Elmesia El Ru Thalion, a powerful and revered ruler from the Sorcerer Dynasty of Thalion. Her presence adds tension to the gathering, and Rimuru is advised to handle her with caution.

Later in the evening, the Demon Lords Milim, Frey, and Carrion arrive, leading to a cheerful exchange and a minor mishap when Rimuru accidentally offends Frey by referencing poultry dishes. However, the situation is resolved humorously.

At the end of the episode, Rimuru addresses the assembled nobles and guests, expressing his desire for peaceful coexistence between humans and monsters. He acknowledges that some remain skeptical but encourages them to build trust through shared experiences. Rimuru emphasizes that while he seeks friendship and cooperation, he will not tolerate unjust actions against his people. The episode sets the stage for the grand festival to come.