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.
You're right. I think we 
can trust this person, too.
معكم حقّ. أظننا نستطيع أن نثق
بهذا الشخص أيضاً
Genau. Ich denke,
man kann ihm vertrauen.
Sí. Creo que podemos confiar
en esa persona.
Sí. Creo que podemos confiar
en esta persona.
Ils ont raison. Moi aussi,
je crois qu’on peut te faire confiance.
Sono d'accordo.
Verdade. Eu também acho que
podemos acreditar nessa pessoa.
Действительно… я тоже…
думаю, что ему можно довериться.