Critique my first edit please?

[Sakka]

Hmm, I used to make edits all the time when I was younger, but I need to get used to the new programs I guess, haha oops. What are the main things I need to work on?

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[UCE]

The center image is great.

 

[The Paradox]

I think it looks really good, but I don't know much about manga edits like this.