This short film took place in between of episodes 16 and 17 of Gundam Reconguista in G that was a bonus content for the Blu-ray/DVD release of the series. It also featured the Unicorn Gundam 03 Phenex Type RC or also known as G-Phenex that was piloted by Captain Mask. The limited edition blu-ray/DVD release of G no Reconguista also came with G-Phenex GunPla to promote its cameo in the shortfilm.
PLOT VIA GUNDAM.WIKI
Bellri (in G-Self's core fighter) and his sister, Aida (in G-Arcane with the G-Self's Assault Pack), were on their way back to Towasanga when they came into contact with the Capital Army's Mask's team. Upon urging from Aida, Belliri went ahead to get the G-Self while Aida remains behind to fight the enemies. Aida was then attacked by Mask and his G-Phenex. After activating the G-Phenex's Destroy Mode, Mask managed to defeat Aida. Bellri and the G-Self Space Pack then arrived to save Aida, and eventually defeated the G-Phenex.
