I know half a million of these exist but...
Banana Fish seriously broke me. From the very beginning I was rooting for the unstoppable main character. Then I watched as that unstoppable, unbreakable will showed a soft side. Grew a bond. I secretly celebrated when those two kissed, even if it was technically only for the sake of the task at hand. I was really rooting for Ash to finally find peace. That after this was done, he would escape with Eji and all would be right. Of course, that's not how these anime go. When you load that many scars and bits and pieces of trauma on a character, it's almost always a sign. I won't elaborate further.
But I mean seriously... of all people to do the deed, why him? Why that paranoid dumbass?
Anyways, I'm in a love-hate relationship with this anime. I love the entire thing, it's a beautiful piece of storytelling. But I hate it for ripping away my closure.