Tempest is preparing a feast in celebration of Rimuru's return home. Then a newcomer, the majin Myulan, arrives to scope out Tempest on the Demon Lord Clayman's orders, having joined up with Youm's crew as their military advisor in order to enter the nation. Upon arriving, she's surprised to see what a strong nation it is, but continues to talk with its citizens to learn more. Meanwhile, the king of Falmuth, who sees Tempest as a nuisance, conspires with the Western Holy Church in a plot to invade the monster nation.
Once this term ends, 
Tiss-sensei will take over for me,
حالما ينتهي هذا الفصل، ستتولّى
تيس-سينسي عنّي
Mit dem Semesterschluss übergebe ich euch
an Fräulein Tiss und kehre nach Tempest zurück.
A final del trimestre
los dejaré en manos de Tiss
A final del trimestre
os dejaré en manos de Tiss
Je vous confie à Mlle Tiss
dès la fin de cette année
Con la fine di questo semestre, 
lascerò il posto alla Maestra Tiss
Com o fim deste período escolar,
vocês continuarão com a Tiss-sensei,
Когда семестр закончится,
ваш класс возьмёт себе Тисс,