Nothing wrong with that. Greed is the core trait of humanity, everything stems from it, even our instinctual survival practices. This is the callousness of someone used to being a bastard.
If you thought there wouldn't be tons of bad humans, you aren't very familiar with humanity, friend.
https://translate.google.com/translate?hl=&sl=ja&tl=en&u=http%3A%2F%2Fncode.syosetu.com%2Fn1745ct%2F
Quite a bit more, and new chapter come out frequently. However you'd need to suffer machine translation.
@Ironclad
Talking about the knife with the pain enchantment they stabbed her with.
@bk3k The knife that makes people scream louder is for assassinations? You'd think an assassin would want to be inconspicuous. That's like a handicap you take on a dare or for losing a bet.