Exactly. This is a repeated theme in manga - the ridiculous idea that tests exist to weed out weaklings. These people are facing potential extinction or enslavement of the human race. They would not be tossing out weak applicants. They would be assigning weak applicants to get extra training.
I was going to make the same point. The male and female "little ones" are indistinguishable. The MC mentioned in passing that some of the "little ones" get busy humping away making babies when there's enough food and safety.
See, folks? This is why honesty in relationships is best. If you're afraid that what you want makes you look clingy or selfish, then say so. You don't even have to use the word "love".
"I really enjoy you and I never want what we have here to end. But I'm always afraid I'm keeping you from...
Most swords and sorcery fiction seem to be based in a copy of medieval Europe. More accurate would be too have ONE WIFE (male and sometimes female children are in line for inheritance of wealth and titles) and multiple CONSORTS (children only inherit wealth and/or titles if the wife doesn't...
So, the neighboring kingdom just committed to paying vast sums of money because Cain, a noble, was attacked.
Doesn't this mean the same nation should be paying vast sums to the demon kingdoms because their first princess was enslaved?