I tried the Shimizu-style brush painting technique for the first time, which I read about in Hobby Japan!

I think I managed to capture a bit of the authentic look.
Since I don't have Mecha Surf Heavy, I used water-based surfacer as a base coat, layering it with Sieg Axe Dark Gray.
It was fun painting as the layers of multiple colors gradually created depth.
I was able to complete it because it's a simple Zeong, but it would probably be quite difficult with a Gunpla that has more parts...

HG Zeong | R's Gunpla works