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.
They don't have much time, but I'll 
just have to search for another way.
ليس أمامهم الكثير من الوقت، لكن سيتوجّب
عليّ البحث عن طريقة أخرى
Sie haben nicht mehr viel Zeit.
Ich muss einen anderen Weg finden.
No hay mucho tiempo,
pero tendré que buscar otra forma.
No hay mucho tiempo,
pero tendré que buscar otra forma.
Il faut trouver un autre moyen,
et le temps leur est compté…
Non c'è molto tempo,
Não resta muito tempo, mas só posso
tentar encontrar outro meio.
Времени осталось маловато,
но придётся искать другой способ…