Noir is the 3rd son of a poor noble and his job position is taken away by a more powerful noble. He also sadly lacks enough skills to attend the Hero Academy. He tries to find a way to be able to use his skill [Great Sage] better and stumbles across a hidden dungeon.
That is, until we saw the enrollment fee.
لكن كان ذلك قبل أن نرى رسم التسجيل
Aber nur bis wir erfuhren,
wie teuer das Schuldgeld war.
Hasta que vi
cuánto costaba la matrícula.
Hasta que vi
cuánto costaba la matrícula.
jusqu’à recevoir la note
des frais de scolarité…
O almeno era così fino a quando
 abbiamo visto la tassa d'iscrizione.
Até vermos a taxa de inscrição...
А потом мы увидели вступительный взнос.