Aldnoah.Zero Gaiden: Twin Gemini  

Aldnoah Zero Side Story: Twin Gemini, ALDNOAH.ZERO外伝 TWIN GEMINI

At approximately the same moment that Slaine and Trillram arrived at New Awara with Inaho and others, simultaneously in Sapporo, Hokkaido, two sisters who are Martian Knights from the Vers Empire were arriving in a Kataphrakt unit. Their destination was the town where Mizuki and Haruya Mikage resided.