Rimuru becomes the new teacher for Shizu's students. However, having been summoned into this world against their will and facing shortened lifespans as a result, the children's feelings are complicated, and they're reluctant to accept Rimuru. So Rimuru proposes a series of mock battles with each of them to ascertain their abilities and allow them to let off steam.
She said the Demon Lord Leon 
made Ifrit possess her...
قالت أن سيّد الشيطان ليون جعل
...إيفريت يمسّها
Und sie sagte, dass der Dämonenkönig Leon
ihr Ifrit eingepflanzt habe.
Dijo que el Rey Demonio Leon
hizo que Ifrit la poseyera.
Dijo que el Rey Demonio Leon
hizo que Ifrit la poseyera.
Elle disait que Leon
avait scellé Ifrit en elle.
Diceva che il Re demone Leon 
l'aveva fatta possedere da Ifrit...
Ela disse que o Lorde Demônio Leon
fez o Ifrit possuí-la...
Помнится, говорила,
что Князь Тьмы Леон вселил в неё Ифрита…