This look good Judai. I think that you've definitely improved on your art, and the proportions look okay! Side profiles can be hard, but practicing and using references help out a lot.
Perspective is tricky, but I think you executed it well.

Drawing people from the back is super difficult, we don'tget better if we don't try new stuff. you always do amazing works and give all of your effort in your art. i definetelly admire you!

Not gonna lie-- profiles are hard! So, give yourself a pat on the back for breaking out of your comfort zone.

@Sora Ligune:

Thank you so much.

Wow this looks great!!!!!