The cast of the Prologue prequel was revealed as well, with Ichinose as Ericht Samaya, Mamiko Noto as Elnora Samaya, Hiroshi Tsuchida as Nadim Samaya, and Miyuki Ichijo as Cardo Nabo.

Additionally, it was announced that “Distribution for “Mobile Suit Gundam the Witch from Mercury” and “PROLOGUE” will also be available on GUNDAM.INFO,” with more details to come later. Meanwhile, Prologue is set to be screened at San Diego Comic-Con, with the time and other details to be revealed at a later date.

Prologue was first screened today during the GUNDAM NEXT FUTURE -LINK THE UNIVERSE- event and will be screened again at the GUNDAM NEXT FUTURE -BASE SERIES- events. 

Mobile Suit Gundam: The Witch from Mercury is set to premiere in Japan in October with overseas simulcasting planned. It is the first Gundam anime with a female protagonist.

The premise is described as:

A.S. (Ad Stella) 122―

An era when a multitude of corporations have entered space and built a huge economic system.
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.

Her name is Suletta Mercury.
With a scarlet light burning in her pure heart,
this girl walks step by step through a new world.

Hiroshi Kobayashi (Dragon Pilot: Hisone and Masotan, Kiznaiver) is directing Mobile Suit Gundam: The Witch from Mercury with Ryou Andou (Interviews with Monster Girls director) assisting and Ichirou Ohkouchi (Code Geass) as series composer. Illustrator Mogumo is the original character designer, while Marie Tagashira (Mobile Suit Gundam: Hathaway’s Flash character animation director), Juri Toida (Gundam Build Divers Battlogue), and Hirotoshi Takaya (Mobile Suit Gundam Thunderbolt animation character designer) are the character designers. Bandai Namco Filmworks is the animation production company.

Other staff include Seiichi Shirato (Sing a Bit of Harmony researcher) as setting researcher, science fiction author Yuuya Takashima as sci-fi researcher, Ayumi Satou (Gundam Build Divers Re:Rise) as art director, Kazuko Kikuchi (Mobile Suit Gundam: Iron-Blooded Orphans) as color designer, Shinichi Miyakaze (SSSS.GRIDMAN) as 3DCG director, Shouta Kodera (Girls’ Frontline) as photography director, Ryouji Sekinishi (Valvrave the Liberator) as mechanical coordinator, and Takashi Ohmama (Mobile Suit Gundam: Twilight Axis) as music composer.

Meanwhile, the people involved in the mechanical designs and animation include:

⋆JNTHED (Metal Gear Solid: Peace Walker mecha designer) as mechanical designer

⋆Kanetake Ebikawa (Mobile Suit Gundam 00 co-mechanical designer) as mechanical designer

⋆Wataru Inata (Gekijouban Macross Delta: Zettai LIVE!!!!!! co-mechanical designer) as mechanical designer

⋆Ippei Gyoubu (Gundam Build Divers Re:Rise co-mechanical designer) as mechanical designer

⋆Kenji Teraoka (Gundam Build Divers Battlogue co-mechanical designer) as mechanical designer

⋆Takayuki Yanase (Gundam Build Divers Re:Rise co-mechanical designer) as mechanical designer

⋆Shinya Kusumegi (AMAIM Warrior at the borderline co-chief mecha animator) as chief mecha animator

⋆Kanta Suzuki (Assault Lily: Bouquet action director) as chief mecha animator

⋆Seimei Maeda (Gundam Build Divers Re:Rise mechanical animation director) as chief mecha animator

Sources: Mobile Suit Gundam: The Witch from Mercury website, Gundam.info, @G_Witch_M