MSJ-R122/T
Gundam Demi-Barding Testbed (High-Mobility Weapon Test Type)
A unit equipped with the GUND format.
Or so you might think.
But actually, the fins are just exposed because the cooling system isn't working properly and they're getting too hot. That's just between us, though. The pilot shouted, "I can handle a 6 too, you bastard!" which may or may not have aroused unnecessary suspicion. Well, I guess if it really had the GUND installed, my senior would have piloted it anyway.

Even 6 is doable! | pokio's Gunpla works