She knew all along? That... makes a lot of sense. But damn, both of them are really trying their hardest to convince themselves that it is for the best of everyone if they live in a way that makes them unhappy.
Hana, right about now would be a great opportunity to pick up that train of thought from a couple of chapters ago about allowing yourself to acknowledge your own feelings. You suck at hiding them from anyone other than yourself anyway. Go out there and finally have a proper talk with her.