The threat of Charybdis has gone. That night, Rimuru has a dream in which he sees Shizu teaching children at her school in the Kingdom of Ingrassia—a dream showing Shizu's lingering regret. To see her wishes through, Rimuru leaves the Jura Tempest Federation and heads for the capital of the Kingdom of Ingrassia. His first goal is to meet with the Grandmaster of the Guild, Yuuki Kagurazaka, who happens to be a Summon and a former student of Shizu's.
Well, since each book has 
its own clear ending...
...حسناً، بما أنّ لكلّ كتاب نهاية واضحة له
Das kann man ja Band für Band lesen.
Bueno, cada libro tiene su propio final.
Bueno, cada libro tiene su propio final.
Chaque volume
se suffisant à lui-même…
Ad un certo punto si è fermato.
Bom, já que cada volume
tem seu próprio final...
Ну, там у каждой книжки
есть свой конец…