The good weather over the weekend allowed me to finish it.
The spray painting went well, but my fingertips were still not in good condition, so I couldn't properly fit the polycaps and other small parts, which took up a lot of time during assembly.
Now, about the model itself, it's based on my usual fictional setting.
Lieutenant Sleggar, whose mobile suit was severely damaged by Big Zam during the Battle of Solomon and who was thrown into space, miraculously survived after the battle when he was found drifting in space.
However, he was still seriously injured, and he didn't regain consciousness until after the peace treaty was signed.

It's RGM, not RMS. | ganson's Gunpla works