Godzilla: Monster Planet Part Of A Trilogy, Character Designs Revealed

The stage event for Godzilla: Monster Planet at Anime Japan has announced that the film is part of a planned trilogy, it also announced the characters, as well as which actors are playing each, and revealed the character designs too (bottom). 
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Mamoru Miyano is playing the lead role, Haruo Sakaki, a 24 year old looking for revenge against Godzilla for killing his parents.
Takahiro Sakurai plays Metphies, the Exif alien who understands Haruo well.
Kana Hanazawa plays the heroine Yuko Tani, who grew up with Haruo after he was orphaned.
Tomokazu Sugita plays Martin Lazzari, an optimistic environmental biologist working with the military.
Yuuki Kaji plays Adam Bindewald, a young landing ship pilot who respects Haruo.
Junichi Suwabe plays Mulu-Elu Galu-gu, a Bilsard alien.

​Official synopsis:
The last summer of the 20th Century. That day, the human beings learn that they are not the only ruler of the planet Earth.
The appearance of the giant living creatures “Kaiju's” and the ultimate existence that destroys all monsters: Godzilla. Through the battle against kaiju's that lasted for half a century, human beings has experienced continuous defeat, and finally plans to escape from the Earth. And in 2048, only those who were selected by the A.I. managed under the central government boarded the inter-sidereal emigrant spaceship “Aratrum” to head for “Tau Cetus e”, the planet beyond the distance of 11.9 light-year. However, the environmental condition differences between that of the Earth and Tau e, which they finally arrived after 20 years were far beyond the predicted numbers, and was not an environment considered to be habitable by human beings.

The young man on the emigrant ship: Haruo, who saw his parents killed by Godzilla in front of his eyes when he was 4 years old, had only one thing in his mind for 20 years: to return to the Earth and defeat Godzilla. Shut out from the possibility of emigration, as the living environment in the ship deteriorates, the group of “Earth Returnists” led by Haruo became the majority, and determines to head back to Earth through a dangerous long-distance hyperspace navigation. However, the Earth they have returned has already passed the time of 20,000 years, and has become an unknown world with the ecosystem reigned by Godzilla.

At the end, will human beings win back the Earth? And what will Haruo see beyond his fate?