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 didn't work? Instead of wasting 
my time fighting, I should...
لم تفلح؟ بدل تضييع وقتي
...في القتال، عليّ أن
Das bringt nix?!
¿No funciona?
¿No funciona?
Ça fonctionne pas !
Non ha funzionato?
Não funciona?!
Не действует?!