Wasn't too angsty at all, and plenty of potential for either romantic or platonic interpretation! You handled the longer format beautifully, I think.
I agree that topics of gender aren't always easy to pull off - I always plan to draw more in that direction than I actually do. That said, I fortuitously found a recent canon fanfiction that deals with genderqueerness and other permutations as much as I could wish for, so I want for nothing. :)

Also, I hope you don't mind (the image wouldn't go away):