It’s (very good!) fan art. The watermarks are the watermarks of the DeviantArt artist. I actually have this image in my phone’s photo library!
I reverse-image searched it and found the DeviantArt link. The artist is aramismarron. (If you look closely, the watermarks say “Amaris Marron”.)
Edit: fixed hyperlink
I reverse-image searched it and found the DeviantArt link. The artist is aramismarron. (If you look closely, the watermarks say “Amaris Marron”.)
Edit: fixed hyperlink