
A. S. (Ad Stella) 122 ― An era when a multitude of corporations have entered space and built a huge economic system. Suletta Mercury, a lone girl from the remote planet Mercury, transfers to the Asticassia School of Technology, run by the Beneritt Group which dominates the mobile suit industry.

A shy girl from Mercury enrolls in the prestigious Asticassia School of Technology and immediately bumps heads with top student Miorine Rembran.

Before Suletta can take in her victory, she's surrounded and taken into custody on suspicion of utilizing forbidden GUND Format technology.

Miorine insists on helping Suletta in her rematch against Guel. But with his pride in tatters, Guel has no intention of losing a second time.

Much to everyone's entertainment, Suletta panics and flees when Guel suddenly proposes to her. But Chuchu from Earth House isn't amused at all.

Hoping to uncover the Aerial's secrets, Peil Technologies orders Elan to investigate Suletta, who gets flustered when he invites her on an outing.

Ahead of her duel with Elan, Suletta feels confused about his change of attitude. Her housemates help her augment the Aerial for better mobility.

When Suletta receives an invitation to a social event for new business startups, she decides to attend in hopes that Elan will also be there.

Miorine wastes no time recruiting her housemates for her new company that will handle Gundams, but they must first decide on a business plan.

Miorine rejects Shaddiq's business offer and challenges him to a duel. They agree on a team battle, but her side lacks mobile suits and pilots.

It has been two months since the duel with Shaddiq. Little by little, the launch of GUND-ARM, Inc. is proceeding on track.
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