[a cheerful Meiko with an adorable version of her little brother being all cute and stuff in front of her is going to result in some hugging, apparently]

Well, their competency in programming in everything you need to know to be like a 'normal' human teenager or young adult aside... as they are fucking idiots...

It depends on your definition of 'child', I think? I mean, we are all at different maturity levels, and frankly, it's Luka who acts the most mature... and she's technically the youngest...