Leon is reincarnated in the world of the "otome game" he was playing as the third son of an impoverished baron. While he's trying to find happiness as a "mob" or background character, he's offered a terrible marriage proposal.
It means our old civilization was 
destroyed when faced with
أي أنّ حضارتنا القديمة قد تدمّرت
عندما جابهها
Unsere alte Kultur ist
aufgrund der Neuen Menschheit,
Eso significa
que nuestra antigua civilización
Eso significa
que nuestra antigua civilización
Devant cette race
capable d’utiliser la magie,
La nostra civiltà è stata distrutta
quando ha dovuto affrontare
Diante da nova civilização que
possui o poder que é a magia
Оно обладает великой силой
под названием «магия»