I'm desperate.
A few weeks back I saw a sweet Miku wallpaper some anon had made, but they never finished it.

I liked the minimalist/vector(?) kinda style so I finally tried editing one myself for mobile.. this is the poor result.

Hopefully some kind anon with more experience than me can try it, I'm a total amateur.

I'll post the source img & the wallpaper anon made in thread
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mobile res. 1080p x 2160p / 18:9