@Crombs
YES! That's one of the reasons why I've stayed so long with this series. The tragedy in this doesn't feel like a tool to manipulate me. Rather it comes and goes and there's always peace in between, like how life is. Tragedy and loss aren't the climax, it's simply part of human existence. And Yoshitoki Oima writes human existence well.
You struggle against it, accept it, and move on. It's not just someone's backstory to make them relateable nor is it always the end of their story. In particular, I really like that Bon's arc and suffering came and went, and he continues to exist alongside Fushi even after he's no longer the focus. He doesn't just get happily ever after'd and left behind to rot in retirement like I thought he would. He has to deal with those traumatic events and then keep going.