It's more than irresponsible because A.) It's a form of abuse called re-parenting. B.) When they left them together He was at most like 11 years old taking care of a baby/early toddler. A.5) Have you ever noticed that Kotaru never seems sad about the parents no longer being around? He already...
Politically speaking I think their dad is wrong. Like Cain said it would make more sense to send him there for a year rather than the whole fucking time. Making relationships is all well and good for a noble when they're abroad, but it's kind of retarded that he's not going to have any other...