Development is: A. Multidimensional

B. Multidirectional

C. Pliable

D. All of these are correct

fumikage isn't really a bird, and tsuyu does have teeth. tsuyu has a transformation quirk which still allows her to be partially human. otherwise we'd have a large frog running around. fumikage has teeth because again, he isn't a bird. his head was a quirk mixture if i'm correct.

i think this picture will you.