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.
It's been a month since I became a teacher.
مضى شهر منذ أصبحتُ معلّماً
Seit ich ein Lehrer wurde,
war ein Monat ins Land gegangen.
Hace un mes que soy profesor.
Hace un mes que soy profesor.
Voilà un mois
que je suis leur enseignant.
È ormai passato un mese da quando 
sono diventato un insegnante.
Faz um mês desde que
me tornei professor.
Я работаю учителем вот уже месяц.