ALDNOAH.ZERO Gaiden: Twin Gemini

ALDNOAH.ZERO Gaiden: Twin Gemini (アルドノア・ゼロ 外伝: ツインジェミニ) is a 2014 manga series. It is a side story to ALDNOAH.ZERO.

Synopsis
Around the same time Slaine and Trillram went down to Shinawara where Inaho and the others were, up at Sapporo, Hokkaido, twin Martian Knights sisters who pilot a Kataphrakt unit from the Vers Empire were landing in the town where the twin siblings Mizuki and Haruya Mikage live...

United Earth

 * Mizuki Mikage
 * Haruya Mikage
 * Souun Mikage
 * Hanami Okuizumi
 * Tsurara Aosaka

Vers Empire

 * Libertina
 * Libitina
 * Willy Fersen

Kataphraktoi

 * KG-6 Sleipnir
 * KG-7 Areion

Kataphraktoi

 * Acidalia