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.
I, Noir Stardia, 
am the third son of a noble.
أنا، نورو ستارجيا، الابن الثّالث لنبيل
Ich bin Nor Stalgia.
Me llamo Noir Stardia,
soy el tercer hijo de un noble.
Me llamo Noir Stardia,
soy el tercer hijo de un noble.
Moi, Noir Stardia,
suis le 3e fils d’une famille de nobles.
Io, Noir Stardia, sono il terzogenito di un nobile.
Eu, Noir Stardia, sou o
terceiro filho de um nobre.
Я Нуар Стардия, третий 
сын в семье аристократа.