>>2137971Upscaling, denoising and smoothing out the really bad parts is the best I can do. I'm sure someone who can also draw could do a better job.
Attached is 2560x1440.
1920x1080:
https://files.catbox.moe/uuml6q.pngWorking resolution:
https://files.catbox.moe/3s936p.png