Naofumi follows the slave merchant to his store, where he looks for a partner to act as his sword. But all he has the money to buy is a diseased demi-human girl named Raphtalia, whom he then forces into an incredibly harsh battle.
You'd better help me recoup 
your cost, at least.
حريّ بكِ أن تساعديني في تعويض
ثمنكِ على الأقلّ
donc tu dois amortir
mon investissement.
Vedi almeno di ripagarmi l'investimento.
Eu espero que retribua pelo
menos o valor que custou.
Как минимум стоимость свою отобьёшь.