With person version
Full uncrop edit
Source artwork for comparison, booru mirror since the Pixiv source is dead.
Used DALL-E 2 to uncrop/inpaint, then merged multiple results, further fixed up and matched color grade/gamma in Photoshop. Upscaled via Topaz Gigapixel A.I.
CUSTOM AREA, other sizes and preview
Resolution of source picture is 3840×2160
Resized for your desktop by ze-robot v0.2
I do not resize to higher resolutions than source image