Personally think they've both realized their mutual feelings for each other and a vocal confession isn't really necessary anymore. Though I do think it will eventually happen because that seems to be Ssamba's style (for example, they left whether or not No-rae realized her feelings for Seol-a ambiguous until after the first home-arc when we got actual thought-dialog confirming it).
Course I could still be wrong and they dont actually realize their mutual feelings for each other but hey...I won't even be mad, Ssamba. Guessing and interpreting is a huge chunk of the reason why I enjoy reading FF so much. I know a lot people hate it (especially if you're used to yuribait KyoAni crap) but I absolutely love how ambiguous this story can get sometimes. It's super fun lol
Also, I don't actually think this is it, but if the reason why No-rae doesn't want to officially start dating is because of school and graduation, then I honestly don't blame her lol Taking a bunch of senior-level courses and dating at the same time sounds rough, man.
A'ight back to lurking