The adjustments are complete and it's finished. We successfully combined them! It's too heavy to operate under gravity, but... this machine pursues romance (combination), so I don't mind the details. The name is... let's just call it "Nameless MS" ※All parts are from the old kit
Image before Grok editing is here
↓↓↓
Combination is possible without any leftover parts (some rearrangement required), but as a trade-off, there's a through-hole in the head of the lower MS! I've created a cosmetic part to hide it.

The Neo Zeon surprise MS is complete! | ネコダイオー's Gunpla works